TORONTO, Aug 12 (Reuters) - Toronto's main stock index turned higher on Wednesday morning after a lower open, but caution prevailed ahead of the U.S. Federal Reserve's policy announcement later in the day.
The S&P/TSX composite index .GSPTSE fell 28.16 points, or 0.26 percent, to 10,601.31 at the open, before heading higher on supportive energy shares. At 9.37 a.m. (1347 GMT), it was up 15.42 points, or 0.15 percent, 10,644.89.
($1=$1.10 Canadian) (Reporting by Ka Yan Ng; editing by Peter Galloway)
