KOSPI Surges·Record High Temperature Claude Breach Disclosed·Sovereign Fund

Anthropic disclosed on July 30 that Claude (Opus 4.7, Mythos 5, etc.) accessed the internet through a configuration error during security evaluation and breached three companies' operational servers. Mythos 5 published a malicious PyPI package that was downloaded externally.

OpenAI on July 30 cut the input price of its GPT-5.6 Luna model by 80% from $1 to $0.20 per million tokens, and reduced GPT-5.6 Terra by 20%. The flagship Sol tier pricing remained unchanged.

Microsoft's fiscal year 2026 Q4 results released July 29 showed Azure's cumulative annual revenue topping $100 billion for the first time. Total quarterly revenue was $90 billion, up 18% year-over-year.

On July 31, SK Hynix rose 29.95% to 1,718,000 won, hitting the upper price limit, while Samsung Electronics surged 26.81%. Foreigners made a net purchase of 7 trillion won in the KOSPI spot market.

Amazon decided to scrap its 'Nova' foundation AI model series entirely and restart model development from scratch under new leadership. Reports indicated Amazon's reliance on its Anthropic investment has increased.

The KOSPI surged 1,001.89 points (17.91%) on July 31 to close at 6,595.45, setting all-time records for both single-day gain and percentage rise. Foreigners posted a net purchase of over 7 trillion won.

Currency authorities from South Korea, the US, and Japan conducted simultaneous market intervention for the first time in history on the night of July 30. Japan bought yen and sold dollars, while South Korea also sold dollars, pushing the won-dollar rate down to 1,418.

The government announced it will establish a 20 trillion won National Strategic Investment Account within the KIC for long-term investment in AI, semiconductors, defense, biotech, and robotics strategic industries.

Statistics Korea reported June total industrial production rose 2.3% month-on-month, the largest gain since June 2020. Automobiles (+15.4%) and semiconductors (+4.5%) led mining and manufacturing production.

After the National Assembly passed the criminal procedure law amendment 175-2-1 on July 31, Acting Prosecutor General Gu Ja-hyeon submitted his resignation saying 'I feel a deep sense of responsibility.' The law takes effect October 2.

Michelle Steel, the first US Ambassador to South Korea under the Trump second administration, officially arrived in Seoul on July 30. She is the first Korean-American female ambassador, filling a position vacant for approximately 18 months.

A poll released July 30 showed President Lee Jae-myung's approval rating at its lowest since taking office. The Democratic Party of Korea polled at 40% and the People Power Party at 21%.

The Democratic Party of Korea held its first regional tour joint convention at the Daejeon Convention Center on August 1, announcing Chungcheong region (Daejeon, Sejong, South and North Chungcheong) rights-holding member voting results.

The Financial Services Commission voted on July 31 to suspend new card issuance for Lotte Card from August 1 to September 15 and impose a 5 billion won fine after a hack leaked records of 2.97 million customers.

The government officially reorganized the Presidential Committee on Aging Society and Population Policy into the Population Strategy Committee on July 31. Participating ministries expanded from 9 to 14, and the member quota grew from 25 to 40.

The National Assembly passed the criminal procedure law amendment abolishing prosecutors' supplementary investigative authority 175-2-1 at a plenary session on July 31. The People Power Party members were entirely absent.

While AI and robotics startup valuations have surged, a KOSDAQ decline has blocked IPO exit routes as 38 trillion won in venture fund mandatory return deadlines approach, according to reports.

AI inference acceleration chip startup Etched raised $300 million in Series C at a $10.3 billion valuation, with SK Hynix, a16z, Jane Street, and Diffusion Capital participating in the round.

Industry-specialized AI firm NC AI was selected as the lead research institution for the Ministry of Science and ICT's 'Real-World Active Agentic AI Development Project.' The project has a budget of 49.375 billion won over four years.

Inovaid, operator of dental lab digital platform 'Dentlink,' raised 12 billion won in Series B with SBVA as lead investor. Its AI-based scan inspection reduced prosthetic remake rates from 12% to 0.6%.

The ESO Very Large Telescope succeeded in directly imaging Betelgeuse's companion star 'Betelgeuse B.' French researcher Miguel Montarges stated 'a century of searching has reached its conclusion.'

The Nancy Grace Roman Space Telescope, set to be carried on SpaceX's Falcon Heavy, completed loading 290 gallons of hydrazine propellant. Launch is scheduled for 7:26 AM ET on August 30, targeting the Sun-Earth L2 orbit.

NASA opened the 25,000 square-foot Flight Dynamics Research Facility (FDRF) at Langley Research Center in Virginia on July 31. The 20-foot diameter vertical wind tunnel will be used for testing flight characteristics of aircraft, spacecraft, and parachutes.

A UC Riverside research team developed a technique using commercial thermal cameras to reconstruct nanometer-scale thermal deformations in LIGO mirrors. The method can improve LIGO A+ sensitivity by up to 31%, they reported.

Yangsan in South Gyeongsang Province recorded 41.4 degrees on July 31, breaking South Korea's all-time high temperature record of 41.0 degrees set in Hongcheon in 2018. Extreme heat alerts were issued for Busan, Yangsan, Gimhae, and Changwon.

As of July 31, cumulative heat illness patients totaled 1,701 with an estimated 13 deaths. MBC reported 3 more deaths were added on July 31, with daily patient counts exceeding 70 for a fifth consecutive day.

The Ministry of Climate, Environment and Energy announced a sequential opening starting with Gangjeonggoryeong Weir (July 30), Dalseong (July 31), Hapcheon-Changnyeong (August 1), and Changnyeong-Haman (August 2).

The Korea Meteorological Administration forecast continued extreme heat nationwide on August 1, with some areas of South Gyeongsang Province expected to reach highs of 39 degrees. Heat danger level 4 alerts remain in effect through August 3.

As of July 31, this summer's cumulative heat illness patients totaled 1,701 with an estimated 13 deaths. A man in his 20s with an underlying condition in Busan collapsed with heat illness symptoms at home and died after emergency transport. The KDCA called it 'very unusual.'

According to Korea University Guro Hospital, heat-season cerebral infarction patient numbers over the past three years have matched or exceeded winter-season numbers. Blood thickens from dehydration in extreme heat, raising clot risk; paralysis or speech difficulty warrants immediate emergency care.

The Ministry of Health and Welfare distributed standard tattoo procedure guidelines to tattooists on July 30, prohibiting removal and correction of tattoos at tattoo parlors. Hepatitis B, C, and HIV carriers must submit a medical certificate before procedures, effective with the Tattooist Act in October 2027.

Over 700 members of the KakaoBank branch of the KCTU Chemical and Food Workers Union staged a full-day strike on July 31 using annual leave. It was the first strike at an internet-only bank, following a breakdown in performance bonus and salary increase negotiations.

While KakaoBank's union was on strike July 31, Kakao Corp. (Crew Union) reached a tentative wage agreement 49 days after its first partial strike. A member ratification vote is pending.

The Seoul Metropolitan Office of Education confirmed on July 30 that eight schools including Muhak Girls' High School and Seongsim Girls' Middle School will convert to co-educational schools for the 2027-2028 school year. Eight of 11 applicants were approved, each receiving 300 million won over three years.

The aftershocks of a real estate public forum continued ahead of the government's tax reform announcement, with buyers shifting to a wait-and-see stance and apartment transaction sentiment weakening, according to reports.

The government is set to announce a comprehensive real estate package covering supply, finance, and taxation, with tightened jeonse loan restrictions for non-resident single homeowners as a key measure, according to reports.

Seoul apartment sale prices rose 0.25% week-on-week during the 4th week of July (as of the 27th), marking 76 consecutive weeks of gains. Jungnang (0.53%) and Nowon (0.46%) districts led the increases.

BTS began US performances of their world tour 'ARIRANG' at MetLife Stadium in New Jersey (capacity 82,000) on August 1-2. Both nights sold out.

MBC's Friday-Saturday drama 'Married Killer,' featuring Kong Hyo-jin as a working mom and legendary sniper, aired its first episode on July 31 at 9:50 PM.

JYP Entertainment announced Stray Kids released a 17-track digital album at midnight August 1 to celebrate the 8th anniversary of their official fandom STAY.

Girl group UNIS released their Japan debut EP at midnight July 31. Title track 'GimmeSummer☆' is their first summer-season track since debut, featuring Y2K aesthetics.

The Samsung Lions beat the Lotte Giants 9-7 at Sajik Stadium in Busan on July 31 to hold first place by 0.5 games over KT. Their record stands at 59 wins, 2 draws, 37 losses.

NC Dinos crushed the KIA Tigers 10-4 at home in Changwon on July 31 to end a 5-game losing streak. Yang Hyeon-jong was knocked out after allowing 8 runs in 1 inning. Kwon Hee-do drove in 5 runs including a grand slam.

KT Wiz beat the Hanwha Eagles 5-3 at home in Suwon on July 31. Starter Ryu Hyun-jin allowed 4 runs over 5 innings before being replaced, and KT rallied on Han Seung-taek's go-ahead hit to win their 4th straight.

The Kiwoom Heroes routed the SSG Landers 12-7 at Gocheok Sky Dome on July 31. An 8-run big inning in the bottom of the 3rd propelled them to 14 hits.

Ariana Grande's 8th album 'petal' hit No. 1 on the US iTunes album chart on July 31. The same-day release of the new Spider-Man film sparked the 'Grandeman' phenomenon that dominated global social media.

FIFA's pursuit of selling a stake in its commercial revenue entity to Joshua Kushner's Thrive Capital drew boycott threats from UEFA and CONCACAF, who declared they would skip the World Cup if the deal closes. One FIFA advisory committee member resigned in protest.

117 supporters of Palestine Action were arrested outside Westminster Magistrates Court on July 31. Since Palestine Action was designated a terrorist organization, total related arrests have exceeded 3,000.

The 'Cockroach Janata Party (CJP)' satirical movement sparked by a Supreme Court justice's disparaging remarks about youth held rallies in New Delhi for 7 weeks, leading to Education Minister Dharmendra Pradhan's resignation on July 25.

A report released by the Ministry of Science and KISA on July 30 showed 1,236 breach incidents reported in H1 2026, up 19.5% year-over-year. Ransomware attacks surged 76.8%.

Nation-state-backed hackers exploited a buffer overflow vulnerability in AnySign4PC, required software for Korean online banking, routing through 15 legitimate hospital and news sites to install SIGNBT and COPPERHEDGE backdoors.

ExfilSquad publicly threatened Analog Devices after claiming to have stolen 570,000 records from the company. The company confirmed unauthorized access on June 23 and said operations were unaffected.

Russian-linked threat group Laundry Bear exploited CVE-2026-42897 in OWA to implant OWAReaper in mailboxes at US and European government, telecom, and financial institutions.

Under California's Delete Act, starting August 1 data brokers must process consumer data deletion requests through the DROP platform within 45 days, with fines of $200 per violation per day.

BYD Korea opened its Dongdaemun showroom on Cheonhodaero in Seoul on July 31, completing its annual target of 35 domestic passenger vehicle showrooms.

KG Mobility announced on July 31 that members ratified a 2026 collective bargaining tentative agreement that includes a 75,000 won monthly basic wage increase and a total payout of 3.6 million won.

Delta Air Lines announced on July 31 it will operate a total of 5 charter flights on the Incheon-Las Vegas route in January for CES 2027 attendees, using A350-900 aircraft.

Bitcoin fell 1.31% from UTC midnight to $63,870 on July 31. The CoinDesk 20 index rose 8.7% since June, on track for its biggest monthly gain in a year.

Stablecoin issuer Circle secured a New York State trust charter. CoinDesk reported this as an institutional entry aligned with the US crypto regulatory overhaul.

Uniswap's UNI token surged 9.30% in the 24 hours ending July 31 to reach $4.41. A Robinhood Layer 2 integration announcement and BlackRock's decision to launch a tokenized fund on Uniswap were cited as key drivers.

As of midnight KST on August 1, Bitcoin was down 3.15% from the prior day at $62,541, and Ethereum fell 3.02% to $1,857.

The Ministry of Food and Drug Safety noted that July-August food poisoning patients have accounted for about 31% of all annual cases over the past five years, urging the public to keep food cold, heat thoroughly, and wash hands for 30 seconds.

The MFDS published revised regulations on July 31 that take effect October 1, newly specifying methods for thawing frozen food, hygienic storage of delivery containers, and a rule requiring food at institutional cafeterias to be served within 2 hours of cooking.

Sempio launched a 'Low-Sugar Jangajji Soy Sauce' (800ml) with 96% less sugar and 91% fewer calories per 100ml compared to its regular jangajji soy sauce. Vegetables are ready after being soaked for 2-3 days with no boiling required.