Futures gain as oil edges higher

(Reuters) - Stock futures pointed to a higher opening for Canada's main stock index on Tuesday as oil prices rose on hopes that OPEC and non-OPEC producers may be edging closer to a deal to tackle one of the biggest supply gluts in decades. March futures on the S&P TSX index were up 0.63 percent at 7:30 a.m. ET. No major economic events are scheduled for the day . The Toronto Stock Exchange's S&P/TSX composite index fell on Monday as last week's crude-induced rally fizzled out and a fall