South Korea's benchmark Kospi index plunged 6% on Wednesday, dragged down by a sharp selloff in chipmakers after SK Hynix reported quarterly earnings that, despite surging nearly sixfold from a year ago, missed analysts' expectations.

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 index has plunged over 10% on heavy selling of chipmaking stocks that have gyrated recently due to concerns over the sustainability of the boom in artificial…