The euro rose for a seventh straight session against the dollar on Wednesday, driven by a combination of higher money market rates and a growing belief that the European Central Bank will keep interest rates low for some time but not cut them.
(Read more: Dollar to trade sideways, taper or no taper: charts)
In midday New York trading, the euro was up 0.2 percent against the dollar at $1.3794, after hitting a six-week high of $1.38. So far in 2013, the euro has gained 4.5 percent versus the greenback, on track for its best yearly gain since 2007.
Against the yen, the euro was down 0.2 percent at 141.18 yen. It was up more than 23 percent versus the Japanese currency so far in 2013.