May 29 (Reuters) - Canada's main stock index slipped at open on Wednesday, as energy stocks tumbled on falling oil prices, while investors awaited a Bank of Canada interest rate decision.
* At 9:30 a.m. ET (1330 GMT), the Toronto Stock Exchange's S&P/TSX Composite index .GSPTSE was down 101.51 points, or 0.62%, at 16,195.95.