美元指数跌0.33%，报97.87

Group 1 - The US dollar index decreased by 0.33% to 97.87, indicating a weakening of the dollar against other currencies [1] - Most non-US currencies appreciated, with the euro rising by 0.38% to 1.1682 against the dollar [1] - The British pound increased by 0.10% to 1.3512 against the dollar, while the Australian dollar rose by 0.41% to 0.6532 [1] Group 2 - The US dollar depreciated by 0.32% against the Japanese yen, reaching 146.9445 [1] - The dollar also fell by 0.32% against the Canadian dollar, trading at 1.3749 [1] - Additionally, the dollar decreased by 0.14% against the Swiss franc, with a rate of 0.8013 [1]