Oct 16 (Reuters) - Canada's main stock index rose at open on Wednesday, supported by a jump in shares of fashion retailer Aritzia following higher quarterly revenue and gains in mining stocks.
* At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 19.66 points, or 0.12%, at 16,438.05.