TORONTO, May 21 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Falls 4.10 points, or 0.03 percent, to 14,993.53 at open.TORONTO, May 21 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 117.41 points, or 0.78 percent, at 14,880.22.