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Daily briefing · 2026-09-16 (Wed)

Seoul Bus Full Strike·POSCO Second Strike Begins Korea-Central Asia First Summit·Brent Oil $109

7,000+ Seoul city buses halt first service on Sept 16, POSCO begins 120-hour second strike, Korea-Central Asia first five-nation summit adopts Seoul Declaration, Brent oil at $109·US 10-year rate breaks 5% again

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Today's must-read · 7 stories

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7,000 Seoul City Buses Halt Completely at 4 a.m. on September 16

Seoul bus union and management failed to bridge disagreement on ordinary wage calculation hours after eight hours of mediation on September 15, leading to a breakdown in negotiations. At 4 a.m. on September 16, 7,000+ city buses stopped operating from the first run. Seoul City immediately activated emergency transport measures including 1,500 free shuttle buses and 202 additional subway service increases.

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POSCO Union Launches 120-Hour Second Strike at Pohang and Gwangyang Hot Rolling Mills on September 16

POSCO CEO Lee Hee-geun personally attended the 26th bargaining session on September 15 but failed to narrow the gap on base pay raises (union 7.1% vs management 2.0%), leading to a breakdown. The union launched a 120-hour second partial strike at the Pohang No.2 and Gwangyang No.4 hot-rolling mills starting at 7 a.m. on September 16. Following the company's first strike in 58 years (first 48 hours), the scale expanded about 2.5 times.

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Korea-Central Asia Five-Nation First Summit Adopts Seoul Declaration

President Lee Jae-myung held the first-ever multilateral Korea-Central Asia summit with leaders of five Central Asian nations including Kazakhstan and Uzbekistan in Seoul on September 16. A joint Seoul Declaration covering critical minerals, AI, and energy supply chain cooperation was adopted. Previously, at the Korea-Uzbekistan bilateral summit on the 14th, 13 agreements and MOUs were signed covering transport, aviation, agriculture, and other areas.

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Brent Oil Breaks $109·Middle East Disruption 6.7M Barrels Per Day

On September 15, Brent oil surged 3.34% to $109.21 per barrel. According to the IEA September report, Middle East oil production disruptions expanded to 6.7 million barrels per day, up from 5 million barrels in July. Asian LNG spot prices also remained at $25.70/MMBtu, a 119% surge compared to the same period last year.

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US 10-Year Yield Breaks 5% Again·FOMC Rate-Hike Odds 92%

On September 15, the US 10-year Treasury yield reached 5.026%, breaking above 5% for the first time since October 2023. Market-implied odds of a September FOMC rate hike surged to 92%. The KOSPI fell 57.11 points (0.85%) to close at 6,627.26, weighed down by surging oil prices and renewed interest rate increases.

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Shanghai AI Lab Releases 744B Parameter Agentic Model for Free

China's Shanghai Artificial Intelligence Lab released 'Atria Dawn Preview,' a 744-billion-parameter MoE agentic model based on GLM-5.2, under the MIT license for free. It achieved top scores on 5 of 16 benchmarks and provides a free OpenAI-compatible API. On the same day, Microsoft also released a 37-page code of conduct draft stating that AI must not refuse human correction, supervision, and shutdown commands.

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Bitcoin Approaching $78K·US Senate Holds CLARITY Act Cloture Vote

On September 15, Bitcoin rose 1.6% to $77,983, approaching the $78,000 level, while Ethereum also recovered above $2,500. The US Senate held a cloture vote on the Digital Asset Market Clarity Act (CLARITY Act) at 2:15 p.m. local time. Domestically, after Coinone and DigitalX eliminated trading fees, both exchanges roughly doubled their market share.

▦ Categories

By field

AI & Tech

Shanghai AI Lab releases Atria Dawn 744B model free, Microsoft AI code of conduct published, iOS 27 launches
Shanghai AI Lab Releases Atria Dawn 744B MoE Model Under MIT License

Shanghai Artificial Intelligence Laboratory released Atria Dawn Preview, a 744-billion-parameter MoE agentic model based on GLM-5.2, under the MIT license for free. It achieved top scores on 5 of 16 benchmarks and provides a free OpenAI-compatible API.

Microsoft Publishes 37-Page AI Code of Conduct Mandating Human Control

Microsoft released an AI code of conduct stating that AI models must comply with human correction, supervision, and shutdown commands. If compliance requires violating rules, the task must be treated as a failure. Public feedback will be collected for six weeks before applying to future model training.

Apple Launches iOS 27 With Fully Redesigned Siri Powered by Generative AI

Apple released iOS 27, overhauling Siri with generative AI capabilities based on Google Gemini architecture. Supported on iPhone 11 and later, though EU and China users are excluded. Currently available as an English-only waitlist beta.

Korea Early-September Chip Exports Surge 270%, Exports Hit Record

South Korea semiconductor exports surged 270% year-on-year to $16.5 billion in the first 10 days of September on AI demand. Total exports rose 82.6% to $34.9 billion, a record for the period, with chips accounting for 47.1% of all exports.

Economy & Finance

US 10-year yield tops 5% again, Fed rate-hike odds hit 92%, KOSPI falls 0.85% to close at 6,627
US 10-Year Treasury Yield Hits 5.026%, First Time Since October 2023

The US 10-year Treasury yield reached 5.026% on September 15, breaking above 5% for the first time since October 2023. Market-implied odds of a September FOMC rate hike surged to 92%, putting broad selling pressure on global risk assets.

KOSPI Falls 0.85% to 6,627 as Foreign Investors Sell for Fifth Straight Day

KOSPI dropped 57.11 points (0.85%) to close at 6,627.26 on September 15, weighed down by surging oil prices and a renewed spike in US interest rates. KOSDAQ edged up 5.62 points to 812.41 on semiconductor buying.

USD/KRW Closes at 1,352 Won as Markets Await FOMC Decision

The USD/KRW exchange rate closed at 1,352.18 on September 15, fluctuating in a 1,345-1,353 range. A wait-and-see mood prevailed ahead of the FOMC rate decision scheduled for September 16 local time.

Korean Retail Investors Net Buy 291.8 Billion Won in Ultra-Short US Bond ETFs

Seeking refuge from the US 10-year yield spike, Korean retail investors net purchased approximately 291.8 billion won ($219 million) in iShares 0-3 month Treasury ETFs over the past month. Demand for safe-haven assets has been expanding.

World & Diplomacy

Korea-Central Asia first summit adopts Seoul Declaration, Iran rejects Trump talks, Lebanon clashes
First Korea-Central Asia Summit Held, Seoul Declaration Adopted

President Lee Jae-myung held the first-ever multilateral Korea-Central Asia summit with leaders of Kazakhstan, Uzbekistan, and three other nations on September 16. A joint Seoul Declaration covering critical minerals, AI, and energy supply chain cooperation was adopted.

Korea-Uzbekistan Summit Signs 13 Agreements on Transport, AI, and More

In the bilateral summit between President Lee and President Mirziyoyev of Uzbekistan, 13 agreements and MOUs were signed covering transport, aviation, agriculture, AI, and environmental sectors. A feasibility study for introducing eight high-speed train sets was also agreed upon.

Iran Rejects Trump Talks Offer; IDF Strikes Lebanon Kill Three More

Iran's Supreme National Security Council chief rejected Trump's negotiation offer on September 15, declaring no talks before conditions are met. Israeli forces responded to a Hezbollah drone attack with airstrikes in Lebanon that killed three additional people.

Hormuz Crisis: 39% of Global Trade and 31% of Seaborne Cargo Blocked

Commercial vessel traffic through the Strait of Hormuz has fallen more than 90% and remains disrupted. The IEA has classified the situation as the largest oil supply shock in history, with 39% of global trade and 31% of maritime cargo flow blocked.

Environment & Climate

Renewable Energy Act revised and promulgated, taking effect January 2027; Ministry of Climate reshuffles key posts
Revised Renewable Energy Act Promulgated September 15, Takes Effect Jan 2027

The revised Act on the Development, Use, and Dissemination of Renewable Energy was promulgated on September 15. Hydrogen and fuel cells are separated into a standalone Hydrogen Act to align with IEA international standards; enforcement begins January 1, 2027.

Ministry of Climate, Energy and Environment Reshuffles Key Leadership Posts

The Ministry of Climate, Energy and Environment announced personnel changes on September 15, promoting Song Ho-seok to Director-General of Water Management Policy and Kim Young-woo to head the National Institute of Environmental Research, along with transfers of bureau-level positions.

Health & Medicine

Twindemic of flu and COVID-19 concern rises; Sillajen and Shinpoong file IND applications
Flu-COVID Twindemic Alert Raised; Vaccination Schedule to Be Advanced

Concerns over a simultaneous flu and COVID-19 epidemic have intensified. Health authorities said they are discussing moving up the national flu vaccination schedule for high-risk groups to address the dual surge.

Sillajen Files IND for Pain-Relief Injectable WS2405 Phase 1 Trial

Sillajen filed for IND approval with the MFDS on September 15 for a Phase 1 clinical trial of its dexibuprofen injectable WS2405. The trial is planned with 24 healthy adults at Seoul Bumin Hospital.

Shinpoong Pharma Files to Amend Phase 3 Protocol for Stroke Drug SP-8203

Shinpoong Pharmaceutical filed for approval to amend its Phase 3 clinical trial protocol for acute ischemic stroke drug SP-8203 (otaplimastat) with the MFDS on September 15. The multi-center study targets 852 patients receiving thrombolytic therapy.

Space & Science

ESA FLEX satellite launched September 15 to map global photosynthesis; NASA Crew-12 announces ISS return
ESA FLEX Satellite Successfully Launched to Map Global Photosynthesis

Avio successfully launched ESA's Earth Explorer FLEX satellite on September 15. The satellite will map photosynthetic activity and carbon cycling across the entire planet.

NASA Crew-12 Holds ISS Press Conference to Announce Return Timeline

On September 16, NASA astronauts Jessica Meir and Zach Hairston, ESA's Sophie Adenot, and Roscosmos's Andrei Fedyaev held a press conference aboard the ISS to announce their upcoming return schedule.

Entertainment & Culture

Stray Kids headline Rock in Rio as first K-pop act in 41-year history; THE BOYZ Sangyeon discharged
Stray Kids Headline Rock in Rio as First K-Pop Act in 41-Year Festival History

Stray Kids performed as the first K-pop act to headline Brazil's Rock in Rio in its 41-year history, performing before a crowd of about 130,000. International media praised the show as a new milestone for K-pop's global reach.

THE BOYZ Sangyeon Discharged From Military Service on September 16

THE BOYZ leader Sangyeon completed his military service and was discharged on September 16. Fans welcomed his return and anticipation for his comeback activities has risen.

LE SSERAFIM Returns With Made My Night; September K-Pop Comeback Rush Continues

LE SSERAFIM made a comeback with Made My Night, continuing a wave of September K-pop releases. Following solo singles from BLACKPINK's Lisa and Jisoo, BOYNEXTDOOR has also announced a repackaged album.

Sports

Samsung Lions end losing streak with Won Tae-in; Lee Jung-hoo goes 1-for-2 as pinch hitter
Samsung Lions Beat Lotte With Won Tae-in on the Mound, End Losing Streak

The Samsung Lions defeated the Lotte Giants in Daegu on September 15, with starter Won Tae-in pitching well to lead the team's win and snap a recent losing streak.

Ha-Seong Kim Goes 0-for-2, Replaced by Pinch Hitter; Season Average Falls to .126

Ha-Seong Kim went 0-for-2 with a strikeout and was replaced by a pinch hitter in the seventh inning against the Cubs on September 15 local time. Pinch hitter Yastrzemski hit a two-run homer but Atlanta lost their second straight, with Kim's average falling to .126.

Jung-hoo Lee Goes 1-for-2 as Pinch Hitter vs. Cardinals; Average Rises to .277

Jung-hoo Lee came off the bench against the St. Louis Cardinals on September 15 local time and went 1-for-2 as a pinch hitter, showing signs of recovering his swing. His season batting average rose to .277.

Business & Industry

POSCO second strike begins; Hyosung Heavy Industries wins KRW 386.5B US AI data center order
POSCO Union Launches 120-Hour Second Partial Strike at Rolling Mills

POSCO management and union failed to narrow the gap on base pay raises (union 7.1% vs management 2.0%) at the 26th bargaining session on September 15. The union launched a 120-hour second partial strike at the Pohang No.2 and Gwangyang No.4 hot-rolling mills starting at 7 a.m. on September 16.

Hyosung Heavy Industries Wins KRW 386.5B US AI Data Center Transformer Order

Hyosung Heavy Industries signed a KRW 386.5 billion contract to supply 765kV and 345kV ultra-high-voltage transformers to two US big-tech companies. The equipment will be delivered to AI data centers being built in the southern and northern United States.

Doosan Fuel Cell Announces KRW 322B Fuel Cell System Supply Contract With US Client

Doosan Fuel Cell disclosed on September 15 a KRW 322 billion contract to supply a fuel cell system to a US customer. The deal was assessed as a large-scale order driven by growing demand for clean energy infrastructure.

BNK Securities Cuts Samsung Electronics Target to KRW 270,000, Downgrades to Hold

BNK Investment Securities cut its target price on Samsung Electronics from KRW 300,000 to KRW 270,000 and downgraded its rating from Buy to Hold. Concerns about a delayed recovery in HBM competitiveness were cited as the main reason.

Real Estate & Housing

Seoul Seongbuk and Nowon apartments post over 1% monthly gains; standard construction cost raised to KRW 2.328M/sqm
Seoul Seongbuk and Nowon Post Over 1% Monthly Gains in Sales and Jeonse

Seongbuk-gu apartment sale prices rose 1.83% month-on-month in August, while Nowon-gu rose 1.77%. Jeonse and monthly rents also climbed together, with 14 north-of-the-Han districts (up 1.25%) outpacing 11 south-of-the-Han districts (up 0.71%).

Ministry of Land Raises Standard Construction Cost to KRW 2.328M/sqm, Up 4.1%

The Ministry of Land, Infrastructure, and Transport announced a new standard construction cost of KRW 2.328 million per square meter for apartment sale-price calculations, effective September 15. The KRW 91,000 increase from July reflects rising material costs and expanded on-site safety expenses.

Seoul Eases Height Limits in Northern Districts; Changsin-dong to Redevelop Up to 49 Stories

Seoul City relaxed height restrictions in aging northern neighborhoods, paving the way for the Changsin-dong redevelopment project in Jongno-gu to proceed as a high-density residential complex of up to 49 floors. High-density redevelopment of aged northern Seoul districts is accelerating.

HUG Holds Cross-Party Forum With Lawmakers on Jeonse Deposit Trust Scheme

Korea Housing Finance Corporation held a policy forum in Yeouido, Seoul on September 16 with lawmakers from both the Democratic Party and People Power Party, discussing the introduction of a jeonse deposit trust scheme and other rental market reforms.

Energy

Brent crude tops $109, Middle East outage expands to 6.7M bpd; Asian LNG at $25.70 near 5-month high
Brent Crude Surges Past $109; Middle East Outage Grows to 6.7M Barrels Per Day

Brent crude climbed 3.34% to $109.21 per barrel on September 15. According to the IEA September report, Middle East oil production disruptions expanded to 6.7 million barrels per day, up from 5 million bpd in July.

Asian LNG Spot Price at $25.70/MMBtu, Up 119% Year-on-Year, Near 5-Month High

JKM-benchmark Asian LNG spot prices remained near $25.70/MMBtu, a five-month high, driven by persistent Strait of Hormuz supply concerns. Prices were up 119% compared to the same period last year.

Korea i-SMR 170MWe Small Modular Reactor Under Standard Design Review

Korea Hydro and Nuclear Power application for standard design approval of a 170MWe innovative small modular reactor (i-SMR) is under review by the Nuclear Safety and Security Commission. Korea 2026 energy plan maintains a target of 204.2 TWh of nuclear generation by 2030.

Education & Society

2027 CSAT September mock exam final answers released; record-high 111,925 repeaters
2027 CSAT Mock Exam Final Answers Released; All 154 Objections Rejected

KICE released the final answer key for the 2027 CSAT September mock exam at 5 p.m. on September 15. After reviewing 154 objections, all questions and answers were confirmed as correct. Score reports will be distributed to students on September 29.

September Mock Exam Sees Record 111,925 Repeater Candidates

Graduate-level candidates sitting the September mock exam reached a record-high 111,925, up 6,235 from the previous year. The surge was attributed to students making a final attempt before the CSAT format changes in 2028, which will abolish subject-choice and introduce a 5-tier grading system.

Korea Fertility Rate Edges Up to 0.9 for First Time in Seven Years

South Korea total fertility rate ticked up to approximately 0.9 in 2026, the first rise in seven years, driven by the echo-boom generation entering peak childbearing years and post-COVID effects. However, the youth population has fallen to roughly one-quarter of its level a decade ago, and structural challenges continue.

Auto & Mobility

Kia unveils PV7 electric PBV at Hanover, WLTP range over 460km; Korea Expressway Corp announces Vision 2035
Kia Reveals Electric PBV PV7 at Hanover IAA; 460km+ WLTP Range

Kia made the world debut of its electric purpose-built vehicle PV7 at IAA Transportation 2026 in Hanover, Germany. The vehicle offers over 460km WLTP range and charges from 10% to 80% in under 20 minutes. Korean and European sales are planned for 2027.

Korea Expressway Corp Unveils Vision 2035 to Transform Highways Into Mobility Platform

Korea Expressway Corporation announced Vision 2035 on September 15, committing to transform the national highway network into a global mobility platform integrating energy, data, and future mobility. IC ramps and rest areas will be converted into regional transit hubs.

Kia Launches H2 2026 Hiring Drive With AI-Based Assessment Across 30 Divisions

Kia kicked off its second-half 2026 hiring campaign on September 15, introducing an AI-based evaluation method. The company is recruiting new graduates and experienced hires across 30 divisions including manufacturing, IT, and R&D; new graduate applications close September 29.

Security & Defense

North Korea 4-weapon simultaneous launch tactic analyzed; Korea-US KIDD opens in Busan on Sept 16
North Korea First-Ever 4-Weapon Simultaneous Launch Analyzed as Air Defense Saturation Tactic

Reporting on September 15 analyzed North Korea September 12 exercise as the first time it simultaneously launched four weapon types including attack drones, cruise missiles, large-caliber thermobaric rockets, and tactical ballistic missiles in a tactic designed to saturate and paralyze ROK-US air defenses.

29th Korea-US KIDD Opens in Busan September 16; Hormuz Deployment on Agenda

South Korea and the United States opened the 29th Korea-US Integrated Defense Dialogue in Busan from September 16-18. Topics include US requests for ROK deployment to the Strait of Hormuz, wartime operational control transfer, combined defense posture, and shipbuilding cooperation.

Korea-US Open High-Level Diplomacy and Defense Consultations This Week

Korea and the United States launched a series of high-level diplomatic and defense consultations this week. Foreign Minister Cho confirmed in the National Assembly that the Korea-US alliance remains fundamentally strong.

Crypto & Web3

Bitcoin near $78K, US Senate votes on CLARITY Act cloture; Coinone zero-fee push doubles market share
Bitcoin Climbs 1.6% to $77,983; Ethereum Recovers $2,500

Bitcoin rose 1.6% to $77,983 on September 15, approaching the $78,000 level, while Ethereum also recovered the $2,500 mark. 24-hour trading volume was approximately $32 billion.

US Senate Holds Cloture Vote on Digital Asset CLARITY Act; 60 Votes Needed

The US Senate held a cloture vote on the Digital Asset Market Clarity Act at 2:15 p.m. local time on September 15. A supermajority of 60 votes would advance debate on the bill, which would codify CFTC and SEC jurisdictions over digital assets.

Coinone and DigitalX Double Market Share After Going Zero-Fee

After Coinone and DigitalX eliminated trading fees late last month, both exchanges roughly doubled their market share this month. Bithumb share fell below 30%, while Upbit held steady at current levels.

Spot ETH ETFs See $216M Net Inflow; Spot BTC ETFs See $463M Net Outflow

Spot Ethereum ETFs attracted $216 million in net inflows in mid-September, confirming institutional ETH demand. Over the same period, spot Bitcoin ETFs saw $463 million in net outflows, a striking contrast.

Food & Lifestyle

Chuseok ritual table cost falls for first time in five years; 20 food companies cut prices up to 64%
Chuseok Ritual Table Cost Falls to KRW 331,089, First Drop in Five Years

The cost of a Chuseok ritual table for a family of four fell 2.3% year-on-year to KRW 331,089, the first decline in five years. Government discount support programs were cited as the primary driver.

20 Food Companies Cut Prices Up to 64%; Government Injects Additional KRW 90B

Twenty major Korean food manufacturers cut prices on 4,765 products including ramen and dairy by up to 64%. The government is injecting an additional KRW 90 billion for Chuseok price stability and eliminated the weekly discount cap.

August CPI Up 3.1% as Summer Floods and Heat Waves Pressure Food Prices

South Korea August consumer price index rose 3.1% year-on-year, returning to the 3% range after two months. Summer heat waves and heavy rains continued to push up agricultural and marine product prices, adding to household food costs.

Labor & Employment

Seoul buses halt from first service; POSCO second 120-hour strike; HD Hyundai Heavy rejects third offer
7,000+ Seoul City Buses Halt From First Service at 4 a.m. on September 16

Seoul bus workers and management failed to reach agreement on ordinary wage calculation hours after eight hours of mediation on September 15, leading to a final breakdown. More than 7,000 city buses stopped operating from the first run at 4 a.m. on September 16.

POSCO Talks Collapse at 26th Session; 120-Hour Second Strike Starts at 7 a.m. Sept 16

POSCO CEO Lee Hee-geun attended the 26th bargaining session in person but failed to bridge the wage gap. The union launched a 120-hour second partial strike at the Pohang No.2 and Gwangyang No.4 hot-rolling plants starting at 7 a.m. on September 16.

HD Hyundai Heavy Industries Union Rejects Third Management Offer; Warns of Expanded Strike After Chuseok

The HD Hyundai Heavy Industries union rejected management third offer of a KRW 110,000 base pay increase. The union, which has been holding a partial all-member strike since September 11, warned it will escalate after the Chuseok holiday.

⌚ Watch ahead

Looking ahead

What to watch ahead

  • FOMC rate decision (September 16-17 local time; whether to hike)
  • Seoul bus strike: prospects for resumed negotiations
  • POSCO 120-hour strike: progress and further bargaining
  • Korea-US KIDD results (Hormuz deployment conclusion)
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