The Qatar Exchange down on Tuesday 12.91 points or 0.15% to 8,656.11 points from the previous closing of 8,669.02. The volume of shares traded fell to 2,604,304 from 4,063,614 Monday, and the value of shares decreased to QR135,258,853.08 from QR213,347,452.24 Monday. Among the top losers were Industries Qatar whose share dropped 1.20% to QR164.00, Barwa Real Estate lost 0.89% to QR27.90, Doha Insurance fell 0.90% to Q27.50 and Gulf International down 1.10% to QR31.45. Today the Qatar Banking and Financial sector dropped 0.04 points while the Insurance sector down 0.14 points. The Qatar industrial sector lost 0.60 points and the Services sector added 0.07 points.