TORONTO, May 21 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Falls 18.45 points, or 0.11 percent, to 16,383.30 at open.
TORONTO, May 21 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Falls 18.45 points, or 0.11 percent, to 16,383.30 at open.