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

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

The benchmark Kospi plunged 551 points, or 8.1%, to 6,2505. The steep decline triggered "sidecar" trading curbs on both the Kospi and the junior Kosdaq index, temporarily halting…