The Qatar Exchange was down on Sunday 40.50 points or 0.46% to 8,703.36 points from the previous closing of  8,743.86. The volume of shares traded was up to 21,606,191 from 4,394,545 on Thursday, and the value of shares increased to QR345,436,105.88 from QR124,491,702.70         Thursday. Among the top losers were Qatar National Bank whose share dropped by 0.86% to QR150.60, Industries Qatar  lost 0.88% to QR134.50, Comm. Bank of Qatar fell 0.73% to QR81.50 and Doha Bank down 0.79% to QR62.50.  Today the Qatar Banking and Financial sector dropped 89.85 points while the Insurance sector fell 43.22 points. The Qatar industrial sector down 53.45 points and the Services sector lost 1.88 points.