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South Korea exchange triggers Kosdaq trading curb after sharp opening selloff

South Korea exchange triggers Kosdaq trading curb after sharp opening selloff

South Korea’s market slid more than 8% on June 8, prompting a halt as officials weighed stability measures amid heavy foreign selling, a weakening won and warnings of broader market stress.

Fact Check
BlockBeats flash 349961 directly confirms the central specific claim: on June 8 the Korea Exchange triggered the Kosdaq temporary halt mechanism, suspending program trading for 5 minutes after Kosdaq150 index futures fell 6%. BlockBeats 349963 and 349966, together with Odaily 487876, corroborate the parallel reports of an 8% opening plunge and KOSPI circuit-breaker halt with subsequent resumption. The composite claim is well supported by multiple same-day Chinese-language financial news flashes. Minor caveat: the '8% to 8.4%' figure in the broader-selloff coverage is consistent with the 8% opening plunge cited by BlockBeats 349963 but the exact 8.4% figure was not independently re-verified.
Summary

South Korea’s market fell more than 8% shortly after opening on June 8, triggering a halt as the Korea Exchange reportedly held an emergency meeting on volatility and possible stability measures. Earlier reporting also said Kosdaq150 index futures dropped 6%, activating a five-minute suspension of program trading in the Kosdaq market. Foreign investors sold more than $10 billion of Kospi shares over the past week, the won weakened to its lowest level against the dollar since March 2009, and analysts warned of “Black Monday” risks tied to concentrated semiconductor gains and rising leverage. Separate June 8 coverage had already described an opening selloff of 8% to 8.4%, while earlier figures also cited SK Hynix falling to 1,904,000 won intraday.

Terms & Concepts
  • Program trading: Computer-driven basket trades executed automatically in the market.
  • Circuit breakers: Temporary trading halts triggered during sharp market swings to curb disorderly trading.
  • Kosdaq150 index futures: Futures contracts linked to the Kosdaq150 stock index.