Futures higher after Wal-Mart, Home Depot results

(Reuters) - Stock futures pointed to a higher opening for Canada's main stock index on Tuesday as U.S. stock futures gained following better-than-expected earnings from Dow components Wal-Mart and Home Depot . December futures on the S&P TSX index were up 0.30 percent at 7:30 a.m. ET. No major economic events are scheduled for Tuesday. Canada's main stock index rallied on Monday, led by gains in heavyweight energy and banking stocks. Dow Jones Industrial Average e-mini futures were up 0.51 p