The U.S. dollar index, which measures the greenback against six major currencies, rose 0.08% on the day and closed at 109.180 at the end of the currency market. Yen 158.46 yen for 1 U.S. dollar, down from 158.46 yen in the previous session; 0.9126 Swiss francs for 1 U.S. dollar, up from 0.9117 Swiss francs in the previous session; 1.4392 Canadian dollars for 1 U.S. dollar, up from 1.4389 Canadian dollars in the previous session; 11.1530 Swedish kronor for 1 U.S. dollar, down from 11.1612 Swedish kronor in the previous session.