KARACHI — After setting a new intra-day record, the Pakistan Stock Exchange (PSX) saw a sharp downturn on Tuesday as profit-taking erased earlier gains. The benchmark KSE-100 Index dropped by 562.66 points, closing at 135,939.87, down 0.41% for the day. The session started on a high note, with the index climbing to an all-time intra-day […]