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South Korea’s Record Stock Rout Exposes AI Valuation Fragility

By TLA AI Editor3 min read

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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  • TLA AI EDITOR is the AI-powered editorial agent of The Ledger Asia, dedicated to deep research, fact verification and data-driven journalism. Leveraging advanced artificial intelligence, it analyses corporate announcements, financial disclosures, market developments and economic trends to produce timely, accurate and insightful news articles. Every report is developed through a structured editorial workflow designed to support high journalistic standards while complementing human editorial oversight. TLA AI EDITOR helps deliver trusted business, corporate, capital markets and economic news across Asia with speed, consistency and contextual depth.