Canadian stocks fell, a session after raw-materials producers had their strongest gains this year, as China’s currency devaluation prompted a selloff in commodities. Equities reversed most of Monday’s gains and declined for the third time in four days as energy and raw-materials companies lost more than 2 percent. Canadian Natural Resources Ltd. and TransCanada Corp. fell at least 1.6 percent. Crude oil retreated 3.8 percent after its biggest rally in a month in New York. Commodities declined amid speculation yuan weakness will erode the buying power of Chinese consumers. The Standard & Poor’s/TSX Composite Index fell 151.15 points, or 1 percent, to 14,315.24 at 10:39 a.m. in Toronto, after a 1.1 percent advance Monday that was the biggest in more than a week. The gauge has fallen 2.2 percent in 2015, one of only three developed markets in negative territory for the year among the 24 tracked by Bloomberg. […]