Jan 16 (Reuters) - Canada's main stock index rose slightly at open on Wednesday, boosted by bank shares, in a day which saw strong earnings from big U.S. lenders.
* At 9:30 a.m. ET (1430 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 25.99 points, or 0.17 percent, at 15,072.27.