The benchmark Korea Composite Stock Price Index(KOSPI) on Thursday fell eight-point-92 points, or point-38 percent, to close at two-thousand-359-point-47.
The tech-heavy KOSDAQ also fell, losing two-point-83 points, or point-44 percent. It closed the day at 640-point-04.
On the foreign exchange market, the value of the local currency weakened six-point-eight won against the U.S. dollar, closing at one-thousand-142 won.