Oct 1 (Reuters) - Canada's main stock index opened higher on Tuesday as rising oil prices lifted energy stocks and investors shrugged off data that showed the domestic economy was unexpectedly unchanged in July.
* At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 24.8 points, or 0.15%, at 16,683.43.