Stocks opened in the red on Friday, with the benchmark KSE-100 index falling immediately after trading began. The KSE-100 index lost 229.61 points, or 0.55 per cent, to reach 41,861.10 points at 9:30am. Head of Equities at Intermarket Securities, Raza Jafri, said the market opened on a weak note as expected after the assassination attempt on former prime minister and PTI Chairman Imran Khan.