Seoul, 29 July 2026 – South Korea’s equity market suffered a record-breaking rout as disappointment over SK Hynix earnings collided with crowded artificial-intelligence trades, forcing investors to reassess how much optimism had been priced into the country’s semiconductor leaders.
The benchmark KOSPI fell as much as 12.6% during the session, an extraordinary move for a major developed Asian market. The sell-off pushed the value erased from South Korean equities towards the US$2 trillion threshold cited in market estimates and triggered intense scrutiny of positioning, liquidity and risk controls.
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