Doha: Qatar Exchange index dropped 26.62 points when the bourse closed at 12,445.34 points. The transport index gained 0.41 percent (2,441.06 points), industries gained 0.29 percent (4,047.37 points), telecoms was up 0.15 percent (1,424.16 points) and real estate was up 0.14 percent (2,454.22). QNA