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 stocks battered SK Hynix and Samsung Electronics. Investor concerns were further amplified by the blockbuster stock market debut of China's CXMT, which intensified fears over rising competition from Chinese chipmakers.

South Korean stocks experienced a significant decline on Tuesday. This downturn was driven by a global selloff in chipmakers and rising competition from China. SK Hynix shares…

South Korea's KOSPI fell over 7% as SK Hynix and Samsung tumbled amid a global chip selloff and growing concerns over China's semiconductor advances.