Suncor Energy Inc., SU 2.89 % Canada’s largest crude-oil producer, reported a third-quarter net loss on a foreign exchange-related charge and slumping crude oil prices, setting a grim tone for the Canadian energy industry’s earnings. The Calgary company posted a net loss of 376 million Canadian dollars ($284.9 million), or 26 Canadian cents a share, in the three months ended Sept. 30. That compared with a net profit of C$919 million, or C$0.63 a share, in the same period last year. Suncor blamed a C$786 million foreign exchange loss linked to U.S. dollar denominated debt from a weakening of the Canadian currency. On an operating, or adjusted, basis that excludes one-time items, Suncor posted quarterly earnings of C$410 million, or C$0.28 a share, down nearly 69% from the C$1.31 billion, or C$0.89 a share, in the year-earlier period. That was above analysts’ average forecast of C$0.19 a […]