Selling pressure returned to the Pakistan Stock Exchange (PSX) on Tuesday following a positive start, with the benchmark KSE-100 Index shedding nearly 2,200 points during the opening hours of trading. At 11:15am, the benchmark index was hovering at 172,278.79, down 2,175.14 points or 1.25%. Selling was observed in key sectors, including automobile assemblers, cement, commercial banks, oil an