Lower oil prices weigh on futures

(Reuters) - Canada's main stock index looked set to open moderately lower on Thursday as Brent crude prices turned lower, pressured by scepticism that Venezuela's efforts to lobby crude producers for output cuts would succeed. March futures on the S&P TSX index were down 0.04 percent at 7:15 a.m. ET. No major economic events are scheduled for the day . The Toronto Stock Exchange's S&P/TSX composite index rose on Wednesday as strength in commodity prices supported energy and mining stocks