TORONTO, May 12 (Reuters) - Canada's main stock index gained in early trade on Friday, helped by gains for mining stocks including Teck Resources, which will raise C$1.2 billion ($876 million) in an asset sale.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 33.86 points, or 0.22 percent, at 15,584.41 shortly after the open. Seven of its 10 main groups rose. ($1 = 1.3699 Canadian dollars)