Canada stocks-tsx ends lower for second day.

Canada's main stock index fell on Thursday, pressured by declines in resource shares, as investors took their cue from lower commodity prices and losses on Wall Street. The Toronto Stock Exchange's Sand P/TSX composite index .GSPTSE ended down 81.79 points, or 0.4 percent, at 20,597.75, adding to its decline on Wednesday. 'It's one of those days where I think we're getting dragged a bit by world markets and falling commodity prices, said Colin Cieszynski, chief market...