The KOSPI was up 17% at 6,549 points after tumbling nearly 17% over the previous three sessions, marking one of its steepest weekly declines, as fears of mounting competition from Chinese memory chipmakers triggered heavy selling across semiconductor stocks.

South Korean equities suffered their steepest one-day decline in nearly five months on Tuesday, with the benchmark KOSPI sliding almost 11% as a global rout in semiconductor…

South Korean shares saw a rebound on Wednesday after a significant previous day's fall. Investors engaged in dip buying, focusing on domestic chipmaker earnings and major US tech…