South Korean stocks opened lower Thursday, with the KOSPI dropping 23.55 points, or 0.34%, to 6,814.49 amid losses in chip-heavy shares. The decline followed three consecutive losing sessions. Wall Street closed mixed overnight: the Dow Jones Industrial Average fell 0.86%, the S&P 500 dipped 0.25%, and the Nasdaq Composite gained 0.24%. Cooler-than-expected inflation data was offset by pressure from elevated U.S. Treasury yields and rising oil prices.