Shangyin Xianghui 30-day Rolling is a short-term bond fund. In the past month and three months, the fund has shown an upward trend. The fund's recent income performance is good, and the bonds are developing well. Considering these factors, it is a good choice to buy Yin Hui and enjoy 30-day rolling. Note that investment is risky, and past performance cannot guarantee future results. Before making a decision, you should fully investigate and evaluate your risk tolerance and investment objectives.