Futures lower on weak oil prices

(Reuters) - Canada's main stock index looked set to start on a lower note on Tuesday after a sharp drop in oil prices triggered caution among investors. Oil prices fell more than 3 percent, dented by worries about the demand outlook and rising supply, while hopes for a deal between OPEC and Russia on output cuts faded. March futures on the S&P TSX index were down 0.74 percent at 7:15 a.m. ET. No major economic events are scheduled for the day . ...