Positive momentum returned at the Pakistan Stock Exchange (PSX) on Monday, amid reports of a potential diplomatic breakthrough, with mediating nations, including Pakistan, working to convene high-level talks in Islamabad as early as this week to ease tensions in the Middle East. At 9:10am, the benchmark KSE-100 Index was hovering at 157,207.89, up by 4,467.52 points or 2.92%. Buying was obse