South Korea’s benchmark KOSPI index plunged sharply for a second day in a row, prompting a trading halt, as key chip stocks were hit by another sell-off.

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…