Buying interest returned at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index gaining nearly 1,000 points during the opening minutes of trading on Thursday. At 9:35am, the benchmark index was hovering at 168,449.14, an increase of 998.01 points or 0.60%. Buying was observed in key sectors, including automobile assemblers, cement, commercial banks, oil and gas exploration co