Feb 8 (Reuters) - Canada’s main stock index rose at open on Monday, as energy stocks tracked oil prices that gained from supply cuts from major oil producers, while optimism around U.S. fiscal stimulus bolstered sentiment. * At 9:32 a.m. ET (1432 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was up 134.71 points, or 0.74%, at 18,270.61.