(Adds details throughout on stocks and sectors, updates prices)
* TSX down 91.64 points, or 0.62 percent, at 14,686.68
* Eight of the TSX's 10 main groups fall
TORONTO, Nov 2 (Reuters) - Canada's main stock index fell on Wednesday as lower oil prices weighed on the shares of energy companies and financials lost ground, offsetting gains for mining stocks as gold rose on U.S. election uncertainty.
The most influential movers on the index included some of its major energy pipeline companies. TransCanada Corp TRP.TO fell 4.7 percent to C$57.72 and Enbridge Inc ENB.TO declined 2.9 percent to C$55.80, while the overall energy group fell 1.6 percent.
Crude oil prices dropped for a fourth day as U.S. stockpile figures showed a much bigger-than-expected build in crude inventories. U.S. crude CLc1 prices were down 3.0 percent at $45.27 a barrel, O/R
Valeant Pharmaceuticals International Inc (NYSE:VRX) VRX.TO fell 5.9 percent to C$29.34. The drugmaker said it is in talks with third parties to sell its Salix stomach-drug business and other assets. heavyweight financials sector fell 0.5 percent, while information technology declined 0.7 percent.
At 10:59 a.m. EDT (1459 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE fell 91.64 points, or 0.62 percent, to 14,686.68.
Eight of the index's 10 main groups were lower.
The materials group, which includes precious and base metals miners and fertilizer companies, added 1.1 percent.
Goldcorp Inc G.TO rose 3.6 percent to $21.54, while Barrick Gold Corp ABX.TO climbed 2.7 percent to C$25.32.
Gold XAU= rose 1.2 percent to reach a four-week high above $1,300 an ounce as uncertainty over the outcome of the U.S. election on Nov. 8 burnished the appeal of precious metals as a haven from risk. GOL/
Markets also awaited direction on the timing of a U.S. interest rate hike from a Federal Reserve monetary policy decision due later on Wednesday.
Canadian uranium producer Cameco Corp CCO.TO reported a better-than-expected quarterly profit, largely helped by a jump in uranium sales volumes. Its shares jumped 5.3 percent to C$10.48.