South Korean stocks tumbled nearly 10 percent Tuesday as foreign investors dumped major semiconductor shares and other market heavyweights amid profit-taking, tracking overnight losses in U.S. technology stocks.

Korean stocks extended losses late Tuesday morning as big chip shares sharply lost ground, tracking an overnight slump in U.S. techs. After opening...

South Korean stocks experienced a sharp decline of over 4% on Tuesday, with the KOSPI index plummeting as investors cashed in on recent gains in chipmaker shares. Major players…