The U.S. dollar index, which measures the greenback against six major currencies, rose 0.32 per cent on the day to close at 108.037 at the end of the currency market. Yen 151.39 yen for 1 U.S. dollar, down from 151.39 yen in the previous trading day; 1 U.S. dollar to 0.9092 Swiss francs, higher than the previous trading day's 0.9051 Swiss francs; 1 U.S. dollar to 1.4285 Canadian dollars, lower than the previous trading day's 1.4319 Canadian dollars; 1 U.S. dollar to 10.9399 Swedish kronor, higher than the previous trading day's 10.8963 Swedish kronor.