Buying continued at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index gaining nearly 700 points during the opening minutes of trading on Thursday. At 9:50am, the benchmark index was hovering at 172,974.55, up by 1,269.80 points or 0.74%. Buying was observed in key sectors, including automobile assemblers, commercial banks, oil exploration companies, OMCs, power generation,