The dollar index, a measure of the U.S. dollar against six major currencies, rose 0.06% to close at 98.894 in the foreign exchange market. One euro traded for $1.1676, one pound for $1.3628, while one dollar exchanged for 159.14 yen, 0.8007 Swiss francs, 1.379 Canadian dollars and 9.4908 Swedish kronor.