Bullish momentum was observed at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index crossing the 170,000 level during the opening minutes of trading on Wednesday. At 9:40am, the benchmark index was hovering at 170,171.82, an increase of 715.44 points or 0.42%. Buying interest was observed in key sectors, including automobile assemblers, cement, commercial banks, oil and gas