Bulls returned to the Pakistan Stock Exchange (PSX) after observing selling in early trade, with the benchmark KSE-100 Index gaining over 850 points during the opening minutes of trading on Thursday. At 11:20am, the benchmark index was hovering at 187,374.83, a gain of 856.12 points or 0.46%. Buying interest was observed in key sectors, including cement, chemical, commercial banks, oil and g