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. The local currency weakened against the U.S. dollar.

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. The local currency weakened against the U.S. dollar.