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S. Korea’s KOSPI slumps 8%, triggers circuit breaker as AI rally turns tail

The KOSPI index plunged over 8%, triggering a marketwide circuit breaker and a brief trading halt. The decline was driven by profit-taking and a reversal of the AI and semiconductor rally. This slump contributed to a broader tech-led rout across Asian markets.

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What changed

The KOSPI index experienced a significant single-day drop that triggered a circuit breaker.

Live updates

  1. South Korea's KOSPI Triggers Circuit Breaker Amid AI Tech Selloff

    The KOSPI index plunged over 8%, triggering a marketwide circuit breaker and a brief trading halt. The decline was driven by profit-taking and a reversal of the AI and semiconductor rally. This slump contributed to a broader tech-led rout across Asian markets.

    What's confirmed:

    • The KOSPI index plunged more than 8% in intraday trading.
    • The marketwide drop triggered a circuit breaker and a brief trading halt.
    • The selloff followed a rally in AI and semiconductor stocks.
    • Samsung Electronics and SK Hynix both saw price drops.
    • The KOSPI decline coincided with losses in the Nikkei 225.

    Still unconfirmed:

    • Investors reassessed memory chip demand after Apple raised prices.
    confidence 85%