Canada’s main stock index fell on Friday and set for its biggest one-day percentage dip in nearly two weeks as energy shares were pressured by a plunge in oil prices. At 11:30 a.m. ET, the Toronto Stock Exchange’s S&P/TSX Composite index was down 79.09 points, or 0.51 per cent, at 15,278.38. The energy sector dropped 1.8 per cent, as prices of oil, one of Canada’s biggest export commodities, fell to multi-month lows on increased global supply and trade worries. Pipeline operator TransCanada’s shares slip 1.6 per cent after a U.S. judge halted construction of its Keystone XL pipeline, in a blow to Canadian oil producers Keystone XL will carry heavy crude from Alberta to Steele City, Nebraska, connecting key refining points in the U.S. Midwest and U.S. Gulf Coast, as well as export terminals in the Gulf. Cenovus Energy Inc. was down 2.9 per cent, Canadian Natural Resources Ltd. 3.4 per cent and Husky Energy Inc. 2.3 per cent. The materials sector, which includes precious and base metals miners, lost 1.7 per cent after gold and copper prices fell after the U.S. Federal Reserve stuck to its tighter monetary stance. Top percentage gainers on the TSX included shares of […]