The benchmark Korea Composite Stock Price Index edged down eight-point-seven points, or zero-point-21 percent, on Wednesday to close at four-thousand-108-point-62.

The tech-heavy KOSDAQ lost four-point-36 points, or zero-point-47 percent, to close at 915-point-two.

The South Korean won strengthened against the U.S. dollar by 33-point-eight won, trading at one-thousand-449-point-eight won as of 3:30 p.m.