Buying momentum was observed at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index gaining over 1,100 points during the opening minutes of trading on Thursday. At 9:40am, the benchmark index was hovering at 178,533.76, up by 1,163.06 points or 0.66%. Buying was observed in key sectors, including automobile assemblers, cement, commercial banks, oil and gas exploration compani