美元指数跌0.06%，报98.91

Group 1 - The US dollar index decreased by 0.06% to 98.91, indicating a slight weakening of the dollar against a basket of currencies [1] - Most non-US currencies experienced declines, with the euro rising by 0.09% to 1.1610 against the dollar [1] - The British pound fell by 0.10% to 1.3357, while the Australian dollar dropped by 0.12% to 0.6481 against the dollar [1] Group 2 - The US dollar appreciated slightly against the Japanese yen, increasing by 0.02% to 151.9655 [1] - The dollar declined by 0.20% against the Canadian dollar, reaching 1.3996 [1] - The dollar also decreased by 0.04% against the Swiss franc, settling at 0.7961 [1]