The Qatar Exchange down on Monday 47.92 points or 0.57% to 8,333.11 points from the previous closing of 8,381.03 points. The volume of shares traded fell to 4,908,777 from 5,785,436 on last day, and the value of shares increased to QR182,290,342.95 from QR181,813,824.17 Sunday. Among the top losers were Qatar National Bank whose share dropped 0.53% to QR131.30, Industries Qatar lost 1.69% to QR151.20, Doha Bank fell 1.48% to QR43.30 and National Leasing down 1.21% to QR32.55. Today the Qatar Banking and Financial sector dropped 0.35 points while the Insurance sector up 0.87 points. The Qatar industrial sector lost 0.98 points and the Services sector addedfell 0.06 points.