The benchmark Korea Composite Stock Price Index (KOSPI) ended up by 11.96 points, or 0.6 percent, to 2,004.22 on Wednesday, which is the first-ever close over 2,000 mark.

The volume of moderate 581 million shares worth 8.53 trillion won (9.31 billion U.S. dollars).

The local currency finished at 913.9 won to one U.S. dollar, up 0.2 won from Tuesday's close.