(Updates with FOMC rate decision)
NEW YORK, Dec 16 (Reuters) - The U.S. dollar gained against the euro on Wednesday after the Federal Reserve's Federal Open Market Committee left benchmark interest rates unchanged as expected and reaffirmed they will be low for some time.
The euro last traded at $1.45112, down 0.1 percent on the day -- after spiking up, then spiking down -- as investors debated the headlines in the wake of the announcement.
The dollar was up 0.3 percent at 89.92 yen, compared with 89.71 yen before the Fed decision.