The index reached 42113 points.
Reports of a possible deal with the IMF were seen on the stock market.
In the first hour of trading on Thursday, the 42,000-point mark was restored on the Pakistan Stock Exchange.
At 11 am, the index 100 gained 250 points and the index reached 42113 points.
The Pakistan Stock Exchange (PSE) was bullish on the first trading day after the holiday on Wednesday and the KSE Hundred Index closed at 41,862, up 518 points.
A total of 340 shares were traded during the day, with 215 shares gaining ground and 99 shares falling.
