美元指数涨0.09%，报97.85

Group 1 - The US dollar index increased by 0.09% to 97.85, indicating a slight strengthening of the dollar against a basket of currencies [1] - Most non-US currencies experienced a decline, with the euro falling by 0.12% to 1.1695 against the dollar [1] - The British pound saw a minor increase of 0.02%, trading at 1.3531 against the dollar, while the Australian dollar rose by 0.43% to 0.6613 [1] Group 2 - The US dollar appreciated by 0.03% against the Japanese yen, reaching 147.4600 [1] - The dollar also gained 0.13% against the Canadian dollar, trading at 1.3863 [1] - Additionally, the dollar strengthened by 0.24% against the Swiss franc, with a rate of 0.7992 [1]