The Pakistan Stock Exchange (PSX) opened sharply lower on Thursday, with the KSE-100 Index shedding over 2,000 points amid rising geopolitical uncertainty after Iran rejected a US-backed ceasefire proposal. At 9:35am, the benchmark index was hovering at 156,251.57, down by 2,061.87 points or 1.30%. Selling pressure was observed in key sectors, including automobile assemblers, cement, commerc