 Canadas main stock index fell on Monday on concerns over the economic impact of the coronavirus, with losses led by oil and gas producer MEG Energy, which sought to shelve an oil sands project. At 9:50 a.m. ET 1444 GMT, the Toronto Stock Exchanges SP;TSX Composite index was down 23.62 points, or 0.15, at 16,239.43. MEG Energy fell 5 in early trading, and was the top percentage loser on the main index. 