The benchmark Korea Composite Stock Price Index(KOSPI) broke the 3,700 mark for the first time, extending its record-setting rally.

The index closed at an all-time high of three-thousand-748-point-37 on Thursday, up 91-point-09 points, or two-point-49 percent.

Thursday’s surge comes less than a week after the KOSPI first surpassed the 3,600 level, having broken the 3,500 mark on October 2.

The tech-heavy KOSDAQ inched up zero-point-69 points, or zero-point-08 percent, to close at 865-point-41.

In the currency market, the Korean won strengthened against the U.S. dollar to a closing spot rate of one-thousand-417-point-nine won, up three-point-four won from Wednesday.