The dollar index fell 0.26 0.1 percent on the International Exchange to 81.36.
Gold shed $5.90 to $1,669.70 per troy ounce. Silver lost 17 cents to closed at $30.96 an ounce.
The euro rose to $1.2564 from Monday's $1.2499. Against the yen, the dollar fell to 78.54 yen from 78.75 yen.
The dollar was mixed in Asia and in Europe.
The British pound rose to $1.582 from $1.5819. The U.S. dollar rose to 0.9883 Canadian from 0.9882 Canadian.
The Australian dollar dropped to $1.0364 from $1.0377. The U.S. dollar rose to 1.2529 Singapore dollars from 1.2528 Singapore dollars.
The dollar rose to 1,135.40 South Korean won from 1,135.10 won.