美元指数跌0.17%，报97.72

Group 1 - The US dollar index decreased by 0.17% to 97.72, indicating a weakening of the dollar against other currencies [1] - Most non-US currencies appreciated, with the euro rising by 0.21% to 1.1741 against the dollar [1] - The British pound increased by 0.29% to 1.3479 against the dollar, while the Australian dollar rose by 0.08% to 0.6601 [1] Group 2 - The US dollar appreciated by 0.16% against the Japanese yen, reaching 147.5050 [1] - The US dollar declined by 0.13% against the Canadian dollar, settling at 1.3949 [1] - The US dollar fell by 0.33% against the Swiss franc, with a rate of 0.7953 [1]