A day after intense selling pressure, buying momentum returned at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index gaining over 2,200 points during the opening minutes of trading on Tuesday. At 9:35am, the benchmark index was hovering at 149,106.44, up by 2,263.47 or 1.54%. Buying was observed in key sectors, including automobile assemblers, cement, commercial banks, oil a