KARACHI: The benchmark KSE-100 index of Pakistan Stock Exchange (PSX) fell by 636 points on Thursday owing to profit taking seen during the day. The index closed at 44,731 points as against previous closing of 44,367 points showing a decrease of 636 points. Analysts at Arif Habib Limited said that bears ruled over the bulls … Continue reading KSE-100 index falls by 636 points on profit taking