The Pakistan Stock Exchange (PSX) witnessed a sharp reversal on Thursday as early gains were wiped out by intensive selling, triggered by renewed political uncertainty. The benchmark KSE-100 index, which had climbed to the intra-day high of 151,250 points, tumbled later, hitting the low of 148,273. It closed the day at 149,235, down 1,356 points, or 0.90%. The sell-off emerged after the Supr