The industrials sector .GSPTTIN fell 0.3%. Updates prices, adds sector details Feb 23 (Reuters) - Canada's main stock index fell on Tuesday and was set for its worst session in nearly a month as weaker crude prices weighed on energy stocks, while worries over rising inflation hit the materials sector. * The largest percentage gainer on the TSX was Thomson Reuters Corp , which jumped 8.8% after the news and information group posted a higher fourth-quarter revenue.