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Daily briefing · 2026-09-23 (Wed)

Trump Delivers Iran Ultimatum at UN Bitcoin Hits $85K 8-Month High

Trump issued an ultimatum to Iran at the UN General Assembly: agree to a nuclear deal or face military annihilation.

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Today's must-read · 7 stories

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Trump Issues Iran Ultimatum at UN General Assembly: Nuclear Deal or Military Destruction

President Trump delivered his keynote address at the UN General Assembly on Sept 22 (local time), issuing an ultimatum to Iran: choose between a nuclear deal or complete military destruction. Advisors Kushner and Witkoff held back-channel meetings with Iranian representatives on the sidelines of the assembly. Trump also declared in the same speech a blanket rejection of international AI regulation.

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US-Japan Leaders Meet at UN to Align China Strategy Ahead of Xi Visit; US-Japan-Korea FM Meeting Held

President Trump and Japanese Prime Minister Takaichi met on Sept 22 on the sidelines of the UN General Assembly to coordinate a joint strategy on China ahead of Xi Jinping's US visit. A US-Japan-Korea foreign ministers meeting was also held the same day, reaffirming the three nations' position on North Korea denuclearization.

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Bitcoin Surges Past $85,000 for First Time Since January 2026, Setting 8-Month High

Bitcoin broke through $85,000 on Sept 22, recording its highest level since January 2026, an 8-month peak. It reached $86,624, up 6.47% over 24 hours, with $648 million in short positions liquidated. Crypto exchange BitMEX officially shut down permanently at 04:00 UTC on Sept 23, ending 11 years of operations since its 2014 founding.

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Bank of Korea Financial Vulnerability Index Rises to 46.5, Warning on Home Prices and Household Debt; Won Falls to 1,358

The Bank of Korea's Sept 22 Financial Stability Situation report showed the Financial Vulnerability Index (FVI) rising to 46.5 as of end-Q2. Metropolitan home prices continued rising and monthly rent ratio reached 67.6%. In the foreign exchange market, the won/dollar rate fell for a second straight day to 1,358.2 won on easing Middle East tensions.

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Asian Games Baseball: Korea Blanks Hong Kong 13-0 in Perfect Game for Second Straight Win; Fencer Song Takes Gold

Korea's baseball team shut out Hong Kong 13-0 in a perfect game, ending in a mercy-rule 7th inning at the Aichi-Nagoya Asian Games group stage on Sept 22. Jo Hyeong-woo hit a grand slam and Noh Si-hwan added a two-run homer. Fencer Song Se-ra won gold in the women's epee individual event.

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Ministry Announces Nuclear Energy Deliberation Plan; Texas Power Plant Reported to Parliament as First US Strategic Investment

Minister Kim Sung-hwan of the Ministry of Climate, Energy and Environment officially unveiled a plan for public deliberation on nuclear energy on Sept 22 at the Seoul Government Complex. Separately, the government reported to the National Assembly's Trade, Industry and Energy Committee that a combined-cycle gas turbine plant in Texas constitutes Korea's first strategic investment in the US.

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Lino Industries Strike Ends After Two Months; Naver Z Union Stages First All-Out Strike Over Wage Freeze

About 300 members of the Lino Industries union ended their indefinite general strike — which began July 23 — and returned to work on Sept 23. The union said unresolved wage disputes remain and the return is a tactical shift, not a resolution. At the same time, the union at Naver Z (Zepeto) launched its first all-out one-day strike on Sept 23, protesting the company's refusal to grant a 5.3% wage increase.

▦ Categories

By field

AI & Tech

xAI launches Grok 4.7 with 40% more parameters; Trump announces blanket rejection of global AI regulation at UN
Trump rejects international AI regulation framework in UN General Assembly keynote

President Trump declared at the UN General Assembly on Sept 22 that America rejects globalist attempts to control AI, proposing that government documents replace the term AI with super intelligence.

xAI launches Grok 4.7 with 2.1 trillion parameters, 40% increase over predecessor

xAI released Grok 4.7 on Sept 21 with 2.1 trillion parameters, a 40% increase over the previous version, at an unchanged price. The model was trained on SpaceX data including Starlink telemetry to enhance hardware reasoning capabilities.

Economy & Finance

Bank of Korea FVI rises to 46.5 with home price and household debt warnings; won/dollar falls two straight days to 1,358
Bank of Korea reports FVI up to 46.5, warns on home prices and household debt

The Bank of Korea's Sept 22 Financial Stability Situation report showed the Financial Vulnerability Index rising to 46.5 as of end-Q2. Metropolitan home prices rose and the monthly rent ratio reached 67.6%. MPC member Jang Yong-seong stated the bank will determine the timing and pace of further rate hikes.

Won/dollar rate falls two consecutive days to 1,358 range on easing Middle East tensions

The won/dollar exchange rate closed at 1,358.2 won at 3:30pm in the Seoul foreign exchange market on Sept 22. Easing Middle East tensions drove two consecutive days of sharp declines from near 1,400 won.

World & Diplomacy

Trump delivers nuclear ultimatum to Iran at UN General Assembly; US-Japan meet to align on China ahead of Xi visit
Trump delivers stark Iran nuclear ultimatum at UN: deal or total military destruction

President Trump issued an ultimatum to Iran at the UN General Assembly on Sept 22 demanding a nuclear deal or complete military destruction. Advisors Kushner and Witkoff held back-channel meetings with Iranian representatives on the sidelines of the General Assembly.

Trump-Takaichi UN summit activates US-Japan-Korea trilateral coordination ahead of Xi's US visit

President Trump and Japanese Prime Minister Takaichi met on Sept 22 on UN sidelines to coordinate a joint China strategy ahead of Xi Jinping's US visit. A US-Japan-Korea foreign ministers meeting was also held the same day, reaffirming the North Korea denuclearization position.

Environment & Climate

UN Climate Action High-Level Meeting convenes Sept 23 with energy transition focus; Amazon pledges $20M for Colorado River conservation
UN Climate Action High-Level Meeting convenes to discuss energy transition and climate finance

A high-level climate action meeting convened on Sept 23 under UN Secretary-General Guterres. The key agenda items were accelerating the just transition to renewable energy, expanding climate finance for developing nations, and strengthening adaptation in an era exceeding 1.5 degrees Celsius.

Amazon pledges $20M investment in Colorado River water conservation business coalition

Amazon announced on Sept 22 that it will invest $20 million in a corporate coalition for Colorado River basin water conservation. The initiative targets saving over 400 million gallons of water annually through leak detection and agricultural sensor projects.

Health & Medicine

Earliest flu outbreak in Korea since 2011 with pediatric cases up 4.6x; free vaccination expanded to age 14 starting September
2026 flu epidemic alert issued in September, pediatric outpatient rate near 79.6 per 1,000

The Korea Disease Control and Prevention Agency issued an influenza epidemic alert on Sept 11. The outpatient rate for Sept 7-13 was 31.0 per 1,000, a 4.6-fold increase year-on-year. Children aged 7-12 showed the highest rate at 79.6 per 1,000 outpatient visits.

Free flu vaccination expanded to age 14 for 2026-27 season, rolling out from Sept 21

The target age for the 2026-27 national influenza vaccination was expanded from 13 to 14 years old. Due to the early outbreak, the vaccination schedule was moved forward with sequential rollout from Sept 21. Those aged 65 and older can receive shots from Oct 6.

Space & Science

Autumnal equinox marks official start of astronomical fall in Northern Hemisphere; sunspot AR4534 grows with C-class flare
Autumnal equinox arrives as sun crosses celestial equator, marking start of astronomical fall

The 2026 autumnal equinox occurred on Sept 22 at 8:05pm EDT as the sun crossed the celestial equator from north to south, officially marking the start of astronomical fall in the Northern Hemisphere. The Southern Hemisphere simultaneously began its astronomical spring.

Sunspot group AR4534 growing on sun-facing side; C-class solar flare recurs

Three solar phenomena were observed on Sept 22. The growing sunspot group AR4534 reappeared on the Earth-facing side of the sun, a C-class solar flare recurred, and a coronal hole reached an Earth-effective position.

Culture & Entertainment

NCT 127 10th anniversary concert draws 31,500 over 3 nights with live cinema in 40+ countries; Fin.K.L officially reunites after 21 years
NCT 127 10th anniversary concert The Redline draws 31,500 to KSPO Dome over 3 nights

NCT 127's 10th anniversary concert The Redline ran Sept 19-21 at KSPO Dome in Jamsil, drawing 31,500 fans over three nights. The final show in a five-member lineup was live-screened in over 1,000 cinemas across 40+ countries.

First-gen girl group Fin.K.L officially announces full four-member reunion after 21 years

Agency Gemstone E&M announced the official reunion of all four Fin.K.L members — Lee Hyori, Ok Joo-hyun, Lee Jin, and Sung Yuri. Their first reunion in 21 years since a 2005 digital single, the agency stated this is aimed at ongoing group activities.

Sports

Korean baseball team blanks Hong Kong 13-0 in perfect game for 2nd straight Asian Games win; fencer Song Se-ra takes gold
Asian Games baseball: Korea shuts out Hong Kong 13-0 in perfect game for second straight win

Korea's baseball team threw a perfect game against Hong Kong, winning 13-0 in a mercy-rule 7th inning at the 2026 Aichi-Nagoya Asian Games group stage on Sept 22. Jo Hyeong-woo hit a grand slam and Noh Si-hwan added a two-run home run, following their dominant win over Taiwan.

2026 Asian Games fencing: Song Se-ra wins gold in women's epee individual

Korean fencer Song Se-ra won the gold medal in the women's epee individual final at the 2026 Aichi-Nagoya Asian Games. Yoon Jeong-hyeon also took bronze in the men's foil individual, bringing Korea its first individual fencing medal in 8 years.

Business & Corporate

SKC injects additional 92.1B won into US glass substrate subsidiary; memory chip exports surge 351% lifting KOSPI above 7,000
SKC injects additional 92.1 billion won into US subsidiary Absolics, raising stake to 82%

SKC disclosed on Sept 22 that it will participate in an additional 92.1 billion won rights offering by US subsidiary Absolics. Its cumulative investment will reach approximately 373.1 billion won and its stake will rise from 70.05% to 82.37%. The payment date was moved forward from Nov 24 to Sept 28.

Memory chip exports surge 351% in September, Samsung and SK drive KOSPI above 7,000

Korea Customs Service data showed memory chip exports for Sept 1-20 surged 350.7% year-on-year to $21.5 billion. Samsung Electronics rose 4.98% and SK Square gained 4.45%, driving the KOSPI to 7,007.72 and reclaiming the 7,000 mark.

Real Estate & Housing

Korea Housing Finance Corp opens deposit safety trust center; Seoul Mayor Oh criticizes loan restrictions for blocking young buyers
Korea Housing Finance Corp opens trust center for lease and rent deposit protection

HUG opened a Lease and Rent Deposit Safety Trust Center in Yeouido, Seoul on Sept 22, providing end-to-end management of tenant deposits under public administration. The Ministry of Land noted that accelerating conversion from lease to monthly rent is increasing housing cost burdens on young and low-income households.

Seoul Mayor Oh Se-hoon criticizes mortgage loan restrictions for blocking young first-time buyers

Seoul Mayor Oh Se-hoon said in a Reuters interview on Sept 22 that the current loan restrictions favor cash-wealthy buyers and deprive young people without cash of their chance to buy their first home. He also reaffirmed his position that no portion of the Yongsan Park site will be allocated for apartment construction.

Energy

Government reports Texas CCGT plant to parliament as first US strategic investment; nuclear deliberation plan officially announced
Government reports Texas combined-cycle gas plant to parliament as first US strategic investment

The government told the National Assembly's Trade, Industry and Energy Committee on Sept 22 that the Texas combined-cycle gas turbine plant has commercial viability as Korea's first US strategic investment. The opposition People Power Party requested thorough review of profitability given the project is still in development.

Climate and Energy Minister officially announces nuclear energy public deliberation plan

Minister Kim Sung-hwan of the Ministry of Climate, Energy and Environment officially announced a nuclear energy public deliberation plan at the Seoul Government Complex on Sept 22. The chair of the National Assembly's Climate, Energy and Environment committee called for supplying renewable energy to mega-projects while also extending aging nuclear plants and commercializing SMRs.

Education & Society

Daejeon Office of Education establishes dedicated teacher rights protection unit on Sept 23; Jeonbuk holds inclusive education training for 220+
Daejeon Metropolitan Office of Education establishes dedicated teacher protection unit on Sept 23

The Daejeon Metropolitan Office of Education announced on Sept 22 that it will establish a 14-member Education Activity Protection Unit directly under the Superintendent on Sept 23 to protect educators from rights violations and malicious complaints, providing a seven-stage one-stop support system.

Jeonbuk Office of Education holds inclusive education capacity building training for 220 participants

Jeonbuk Special Self-Governing Province Office of Education held an inclusive education support capacity building training on Sept 22 for 220+ participants including special and integrated class teachers and school administrators, inviting the director of the documentary The Road to School to discuss the educational rights of students with disabilities.

Automotive & Mobility

Saudi Arabia's first state EV brand CEER unveils Exobot sedan and SUV; BYD sweeps top 5 spots in Korea's Chinese car imports in August
Saudi Arabia's first state EV brand CEER officially unveils Exobot sedan and SUV

Crown Prince Mohammed bin Salman officially unveiled the Exobot sedan and SUV at the CEER manufacturing complex. With a peak output of 1,111 hp and 0-100 km/h in 2.1 seconds, the Exobot is the first of seven vehicle models planned through 2030.

BYD sweeps top 5 in Korea's imported Chinese car sales in August, surpassing 10% market share

All five of the top-selling imported Chinese car models in Korea in August 2026 were BYD vehicles. The top five totaled 3,002 units, led by the Dolphin (1,202 units) and Sea Lion 7 (819 units), pushing BYD's share of imported Chinese cars above 10%.

Security & Cyber

Check Point patches management server zero-day CVE-2026-93616 confirmed exploited; researcher reveals identity then drops new Defender exploit
Check Point patches management server zero-day CVE-2026-93616 confirmed exploited in attacks

Check Point Software released an emergency patch for a critical path traversal vulnerability (CVE-2026-93616) in its Security Management Server. Unauthenticated attackers can upload and execute arbitrary scripts, and the vulnerability has been confirmed exploited in real attacks.

Nightmare Eclipse reveals identity then publishes new Microsoft Defender exploit

Security researcher Abdelhamid Naceri, known as Nightmare Eclipse, revealed his identity and subsequently published a new Microsoft Defender exploit called BigDiskBuster. The researcher has previously posted multiple Windows and Defender proof-of-concept codes.

Crypto & Digital Assets

Bitcoin breaks $85,000 for first time in 8 months; BitMEX exchange permanently shuts down after 11 years
Bitcoin breaks $85,000 for first time since January 2026, touching 8-month high of $86,624

Bitcoin broke through $85,000 on Sept 22, recording its highest level since January 2026. It reached $86,624, a 6.47% gain in 24 hours, with $648 million in short positions liquidated.

BitMEX exchange permanently closes on Sept 23 after 11 years since its 2014 founding

BitMEX permanently shut down at 04:00 UTC on Sept 23. The exchange, founded in 2014, once handled $3-5 billion in daily trading volume at its peak but ceased operations following its founders' conviction for anti-money laundering violations.

Food & Lifestyle

Cafes and bakeries expanding meal substitute menus; food safety agency orders recall of sesame oil with benzopyrene at 5x limit
Cafes and bakeries ramp up sandwich, salad, and all-day meal substitute menus

Cafe and bakery brands are expanding beyond beverages and desserts to offer sandwiches, salads, and paninis as meal substitutes. Dunkin opened a new flagship store at Jamsillsaenae Station featuring the YES ALL DAY concept to capture all-day dining demand.

Food safety agency orders sesame oil recall after benzopyrene detected at 5x legal limit

Korea's Ministry of Food and Drug Safety announced on Sept 22 that benzopyrene was detected at 10.0 mcg/kg — five times the legal limit of 2.0 mcg/kg — in Banha Perilla Oil made by Sangju Ijangnim Farm. Products manufactured Sept 3, 2026 were ordered recalled and consumers were urged to return them.

Labor & Employment

Lino Industries two-month strike ends with workers returning; Naver Z union launches first all-out strike over wage freeze
Lino Industries union ends two-month general strike, 300 workers return to the floor

The union at semiconductor test component maker Lino Industries ended its indefinite general strike, which began July 23, on Sept 23, with approximately 300 members returning to work. The union said unresolved disputes over incentive payment structures remain and described the return as a tactical change rather than a settlement.

Naver Z union launches first all-out strike on Sept 23, protesting refusal of 5.3% wage hike

The union at Naver Z, operator of Zepeto, staged a one-day all-out strike on Sept 23. The union said the company rejected its 5.3% wage increase demand and had not requested talks following a partial strike on Sept 9, prompting morning rush-hour picketing and a YouTube live broadcast.

⌚ Watch ahead

Looking ahead

What to watch ahead

  • Xi Jinping's Sept 23-25 US visit schedule and outcome of Trump summit
  • Iran nuclear talks progress following Kushner-Witkoff back-channel contacts
  • Whether Bitcoin breaks $90,000
  • Bank of Korea timing for additional rate hike
  • Korea baseball team's path to Asian Games final
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