Korean Stocks Slump 6% as Chipmakers Hit by Renewed Sello…

South Korean stocks experienced significant volatility, highlighting the instability of the recent AI rally. The Kospi index soared to a record above 9,000, only to plummet 10% the next day. While it recovered partially over the following sessions, another selloff occurred that resulted in a trading halt. This sequence of events reflects the fragility of investor confidence in the continuation of the AI-driven market rise.

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By Sangmi Cha

June 26, 2026 at 2:42 AM UTC

Updated on June 26, 2026 at 8:39 AM UTC

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South Korean stocks went from euphoria to anxiety in a gut-wrenching week that exposed just how fragile the AI rally has become.

The Kospi climbed to a record above 9,000 on Monday, plunged 10% a day later, clawed back much of the loss over the next two sessions, then suffered another selloff on Friday that triggered a trading haltBloomberg Terminal. The violent swings underscored how quickly the optimism surrounding the global artificial-intelligence trade has given way to doubts over whether the rally can keep running.

Read Original at Bloomberg.com →

Korean Stocks Slump 6% as Chipmakers Hit by Renewed Selloff