TSX falls at open despite RIM surge

TORONTO (Reuters) - Canada's main stock index opened lower on Friday as heavyweight banking, energy and mining stocks all fell, offsetting a surge in shares of Research In Motion Ltd after the BlackBerry maker reported better-than-expected quarterly results.

The Toronto Stock Exchange's S&P/TSX composite index <.GSPTSE> was down 58.92 points, or 0.48 percent, at 12,279.93 shortly after the open.

(Reporting by Alastair Sharp; Editing by Peter Galloway)



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