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KOSPI Rally Sparks Mixed Reactions in Korea

Korean markets saw a dramatic rebound on Wednesday, with the KOSPI surging 3.29% to close at 5,735.66, triggering a buy-side sidecar that halted program trading as foreign buyers returned and investors responded to positive AI infrastructure signals. However, the rally was short-lived, as Thursday's opening saw the KOSPI slide nearly 1% due to profit-taking in semiconductor heavyweights despite a Wall Street rally. Korean news outlets frame the rebound as a recovery from the previous day's crash, but bloggers and café members have not yet weighed in with detailed opinions, so public sentiment beyond market commentary remains unclear.

  1. KOSPI Surges More than 4% in Intraday Trading; Program Buying Halted KBS World · 2026-10-21
  2. KOSPI Up 3.29% Wednesday KBS World · 2026-10-21
  3. [Opening Market] KOSPI Slides Nearly 1% Despite Wall Street Rally Business Korea · 2026-10-22
  4. [Closing Market] KOSPI Surges 3.3%, Reclaiming 5,700 As Foreign Buyers Return Business Korea · 2026-10-21
  5. KRX activates buy-side sidecar for KOSPI on sharp rise Korea Times · 2026-10-21

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