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South Korean Stocks Tumble Amid AI Overcapacity Concerns

Free News Reader  ·  July 1, 2026

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South Korean Stocks Tumble Amid AI Overcapacity Concerns

  • South Korean stocks experienced a significant downturn on July 2, 2026, with the Kospi Index falling as much as 6.5%, driven by concerns over potential excess AI capacity.
  • This market movement followed reports on July 1, 2026, that Meta Platforms Inc. is considering selling its excess computing power, raising questions about the broader AI market.

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South Korean equities saw a substantial decline on July 2, 2026, as investor concerns mounted regarding a potential oversupply in artificial intelligence computing power. The benchmark Kospi Index dropped by as much as 6.5% during trading. This downturn was largely attributed to reports that Meta Platforms Inc. is exploring options to sell its surplus AI computing capacity, a move that has fueled speculation about the sustainability of the current AI boom.

Major South Korean chipmakers, including Samsung Electronics Co. and SK Hynix Inc., were particularly hard hit, with both companies experiencing losses of at least 7% each. These companies are significant components of the Kospi Index, and their performance heavily influences the overall market. The bourse temporarily halted program selling after an unusually sharp fall in Kospi futures, a measure implemented to stabilize the market.

The apprehension extended beyond South Korea, with U.S. chip industry peers also seeing declines on July 1, 2026. Micron Technology Inc. and SanDisk Corp. both closed down more than 10%. The broader semiconductor sector has been under scrutiny, with some analysts suggesting a rotation out of high-growth technology stocks into more stable investments.

This recent market volatility in South Korea follows a period of significant gains for the Kospi, largely driven by enthusiasm for semiconductor and AI-related shares. However, the market has also experienced several trading suspensions this year due to sharp declines, highlighting its sensitivity to shifts in global AI sentiment and concerns over elevated valuations. Foreign investors have been notable sellers in the South Korean market, contributing to the