Selling pressure was observed at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index shedding nearly 1,100 points during the opening hours of trading on Thursday. At 10:40am, the benchmark index was hovering at 181,965.55, down 1,084.25 points or 0.59%. Selling was observed in key sectors, including cement, commercial banks, oil and gas exploration companies and refineries. I