South Korea Financial Markets
A dealer walks past the screen showing the Korea Composite Stock Price Index (KOSPI) at a dealing room of Hana Bank in Seoul, South Korea, Tuesday, Oct. 13, 2026.
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South Korea’s benchmark Kospi index has dropped more than 7% on Tuesday on a sell-off of chip shares and Asian shares mostly declined after U.S. stocks ended mixed. The Kospi index is down 7.4% to 5,914.35, its lowest level since late July. It had reached an all-time high in June after crossing 9,000, supercharged by the global artificial intelligence boom. Samsung Electronics has fallen 7.7%, while memory chipmaker SK Hynix has plunged 8.8%. Japan’s Nikkei 225 has dropped 2.5% to 67,292.39. Chip equipment maker Tokyo Electron has fallen 6.6%. SoftBank Group, an OpenAI investor, has lost 8%.