Tech stocks soar as SK hynix adds to rising AI confidence
Foreign investors and institutions bought a net 873.35 billion won as chip stocks surged on renewed AI optimism, analysts said.
- On Tuesday, Oct. 27, 2026, the Korea Composite Stock Price Index gained 3.09 percent to close at 5,638.34, tracking overnight Wall Street advances and renewed optimism over artificial intelligence.
- Monday's initial public offering filing from AI startup Anthropic, which reported first-half revenue surging about 1,300%, reignited investor enthusiasm for technology stocks and eased oil prices boosted risk appetite.
- Foreign investors were net buyers of 156.2 billion won, driving gains in chip giants Samsung Electronics, which rose 4.23 percent to 222,000 won, and SK hynix, which increased 5.18 percent to 1.34 million won.
- The Korea Exchange activated a buy-side sidecar at 10:13 a.m., temporarily suspending buy orders in program trading for KOSPI-listed shares for five minutes as market activity surged.
- SK hynix will report third-quarter results on Wednesday, while traders await the Federal Reserve's policy decision, both serving as key indicators for market momentum ahead.
22 Articles
22 Articles
SK Hynix Jumps 6% as Asia Buys Back Into AI
Anthropic's surprise IPO filing lit a fire under Seoul chip stocks, sending SK hynix surging as foreign investors piled in. Whether that momentum survives earnings on October 28 depends on one unconfirmed announcement that could change everything.
Global Market: South Korean shares jump over 4% as AI chip rally lifts Samsung, SK Hynix
South Korean shares surged 4.39% as AI investment optimism, strong semiconductor demand and better-than-expected third-quarter economic growth boosted investor sentiment. Samsung Electronics and SK Hynix led gains, while foreign investors purchased shares worth 597.3 billion won. The Korean won strengthened slightly, reflecting positive market momentum and improving confidence in technology-driven growth prospects.
The KOSPI surged 4% in early trading on the 27th, triggering a buy-side circuit breaker. This is attributed to a resurgence in investor sentiment toward the artificial intelligence (AI) industry as Antropics, the developer of the AI model Claude, commenced its initial public offering (IPO) process. As of 10:15 AM, the KOSPI stood at 5,699, up 4.21% from the previous day.
Seoul stocks open higher on Wall Street gains, renewed AI optimism
Korean stocks opened higher Tuesday, tracking overnight gains on Wall Street, as renewed optimism over artificial intelligence (AI) and easing oil prices lifted investor sentiment. The benchmark Korea Composite Stock Price Index (KOSPI) rose 189.18 points, or 3.46 percent, to 5,658.65 as of 9:15 a.m. Overnight, the Dow Jones Industrial Average gained 0.28 percent, while the S&P 500 advanced 0.7 percent and the tech-heavy Nasdaq Composite climbed…
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