Seoul stocks rallied for a second straight session, recovering the 5,300 mark on the KOSPI and 700 on the KOSDAQ.
Strong AI investment demand, reflected in CoreWeave's earnings and Anthropic's IPO roadshow in the United States, offset concerns over a potential U.S. interest rate hike.
The KOSPI closed at 5,375.36, up 136.23 points (2.60%) from the previous trading day. The intraday range was 170.55 points.
Based on Korea Exchange and NextTrade data, foreign investors made net purchases of 776 billion won, while other corporate entities bought a net 534.9 billion won. Retail investors sold a net 893 billion won, and institutional investors sold a net 421.5 billion won.
Samsung Electronics closed at 206,000 won, up 7,100 won (3.57%), and SK hynix ended trading at 1,277,000 won, up 65,000 won (5.36%), leading the index's rise.
Among top market capitalization stocks, SK Square and Samsung Electro-Mechanics showed strength in the 4% range, while Celltrion, LG Energy Solution, and Samsung Life Insurance gained in the 1% range. KB Financial Group was slightly up, Samsung Biologics Co., Ltd. fell in the 2% range, and Hyundai Motor was slightly down.
By sector, KOSPI medical precision surged in the 10% range, while electrical electronics rose in the 4% range, manufacturing in the 3% range, machinery equipment and entertainment culture in the 2% range, and paper and wood in the 1% range.
Chemicals, distribution, real estate, finance, general services, metals, securities, and construction were slightly up, while non-metals and telecommunications closed flat.
IT services and textiles/apparel fell in the 1% range, while insurance, transportation/warehousing, food/tobacco, pharmaceuticals, electric/gas, and transportation equipment ended trading slightly down.
The KOSDAQ index closed at 705.10, up 37.49 points (5.62%) from the previous day. Institutional investors made net purchases of 318 billion won, while retail investors sold a net 225.3 billion won and foreign investors sold a net 103.2 billion won.
As cash and futures stocks surged simultaneously during trading, Korea Exchange triggered a temporary suspension of program buy orders (buy sidecar) at 11:28 a.m.
All top 10 market capitalization stocks rose, excluding HLB (slightly down in the 1% range). Jusung Engineering surged in the 17% range, Simmtech in the 14% range, EcoPro BM in the 11% range, and EcoPro in the 10% range.
Iotech closed up in the 8% range, Rainbow Robotics and Rino Industrial in the 7% range, Alteogen in the 4% range, and Samchundang Pharm in the 3% range.
By sector, KOSDAQ machinery equipment rose in the 9% range, non-metals in the 8% range, electrical electronics in the 7% range, manufacturing and finance in the 6% range, chemicals in the 5% range, medical precision, transportation equipment, and general services in the 4% range, metals and distribution in the 3% range, pharmaceuticals in the 2% range, and construction, textiles/apparel, and telecommunications in the 1% range.
Food/tobacco, paper/wood, IT services, transportation/warehousing, and other manufacturing were slightly up, while entertainment culture and publishing ended trading slightly down.
On this day, the won/dollar exchange rate closed at 1,333.6 won for Seoul foreign exchange market daytime trading, down 3.9 won from the previous day.
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