Qatar Exchange index gained 155.42 points (1.81 percent) this week when the bourse closed on Thursday at 8,748.68 points. Trading value during this week increased by 31.40 percent to reach QR1,380,314,231.96 compared to QR1,050,455, 840.20. Trading volume increased by 28.21 percent to reach 38,514,045 shares, as against 30,040,048 shares, while the number of transactions rose by 15.42...