Massive selling pressure was observed at the Pakistan Stock Exchange (PSX) on Friday, with the benchmark KSE-100 Index shedding over 2,100 points during the opening minutes of trading. At 10:05am, the benchmark index was hovering at 178,391.58, down 2,121.06 points or 1.18%. Selling was observed in key sectors, including cement, commercial banks, fertiliser, oil and gas exploration companies