TORONTO, Sept 14 (Reuters) - Canada's main stock index ended slightly higher on Wednesday, boosted by gains among some base metal mining and consumer stocks while big banks and some energy companies weighed as oil prices slid amid caution about global growth.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE unofficially closed up 17.17 points, or 0.12 percent, at 14,366.27. Eight of the index's 10 main groups rose, although advancers only outnumbered decliners by 1.25-to-1.