South Korea’s KOSPI surged more than 5% at the open on June 25 after Micron Technology beat Wall Street expectations. According to NS3.AI, the Korea Exchange activated a buy-side sidecar and halted program trading for five minutes.
The move triggered the exchange’s volatility control mechanism, temporarily pausing program trading as the index jumped at the start of the session.
STOCKS | South Korea’s KOSPI Jumps Over 5% at Open After Micron Earnings Beat
2026-06-25 01:45:28
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