KRX activates sell-side sidecar for KOSPI on sharp decline

South Korea's bourse operator on Tuesday activated a sell-side sidecar for the benchmark Korea Composite Stock Price Index after the index fell sharply, led by losses in tech heavyweights.

Program trading in KOSPI-listed shares was suspended for five minutes around 9:06 a.m., according to the Korea Exchange.

The KOSPI fell by more than 5.69 percent as of 9:08 a.m.

The decline came as investors sold off semiconductor shares amid rising fears over excessive artificial intelligence investment.

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