美元指数跌1.38%，报98.68

Group 1 - The US dollar index fell by 1.38% to 98.68 at the end of trading in New York on August 1, while it recorded a cumulative increase of 1.04% for the week [1] - Most non-US currencies appreciated, with the euro rising by 1.49% to 1.1586 against the dollar [1] - The British pound increased by 0.54% to 1.3279 against the dollar, and the Australian dollar rose by 0.69% to 0.6470 against the dollar [1] Group 2 - The US dollar depreciated against the Japanese yen by 2.23%, reaching 147.3950 [1] - The US dollar also fell by 0.48% against the Canadian dollar, settling at 1.3791 [1] - Additionally, the US dollar decreased by 1.02% against the Swiss franc, with a rate of 0.8040 [1]