Yu Libao actually bought a currency fund. If you want to change products, you actually need to change fund products. The seven-day annualized rate of return of each fund product changes at any time. It may be higher these days, and other fund products may be higher in the next few days.
Yes, they are all changing at any time.
If you are investing for a long time, you can observe it for a few more days, comprehensively consider which fund product is better, and then make a decision to change the fund product. It is best not to change it frequently.