TORONTO, Sept 6 (Reuters) - Canada's main stock index rose on Tuesday as higher metal prices supported mining stocks, while shares of Enbridge Inc ENB.TO advanced after the company said it would buy Spectra Energy Corp (NYSE:SE) SE.N .
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 19.08 points, or 0.13 percent, at 14,814,78, shortly after the open. Just four of the index's 10 main groups were higher.