The benchmark Korea Composite Stock Price Index lost 91-point-46 points, or two-point-24 percent, on Tuesday to close at three-thousand-999-point-13.

The tech-heavy KOSDAQ slipped 22-point-72 points, or two-point-42 percent, to close at 916-point-11.

The South Korean won weakened against the U.S. dollar by six won, trading at one-thousand-477 won as of 3:30 p.m.