In the long run, the income of bond funds is opposite to that of the broader market, and the stock market and the bond market are in the opposite direction. When the stock market is good, the bond market is generally not concerned by too many people, resulting in a bad bond market; When the stock market is not good, investors will choose other investment methods to make effective use of funds. At this time, the bond market is a good choice, which leads to the seesaw effect of the stock market and bond market. Investment is risky, please make a careful decision.