TORONTO, Feb 21 (Reuters) - The main index of the Toronto Stock Exchange ended in the red on Thursday as a surge in resources and Research In Motion RIM.TORIMM.O failed to offset weak energy and financial shares, which fell on renewed worries over the U.S. economy.
The S&P/TSX composite index .GSPTSE fell 41.82 points, or 0.31 percent, to close unofficially at 13,509.87. (Reporting by Wojtek Dabrowski; Editing by Peter Galloway)
