The benchmark Korea Composite Stock Price Index(KOSPI) grew 104-point-71 points, or three-point-50 percent, on Thursday to close at three-thousand-99-point-69.
The main bourse bounced back above three-thousand as U.S. Federal Reserve Chair Jerome Powell reaffirmed that interest rates would stay low.
The Bank of Korea, meanwhile, kept its key policy rate unchanged at a record low of point-five percent as expected.
The tech-heavy KOSDAQ also rose, gaining 29-point-90 points, or three-point-30 percent, to close at 936-point-21.
On the foreign exchange, the local currency strengthened four-point-four won against the dollar, ending the session at one-thousand-107-point-eight won.