TORONTO, Feb 27 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Falls 238.51 points, or 1.40 percent, to 16,803.41 at open.TORONTO, Feb 27 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 324.48 points, or 1.90 percent, at 16,717.44.