The decline of bond funds is not only affected by the factors of the bonds themselves. Don't think that I will guarantee profits by holding high-quality bonds. Sometimes bonds are also affected by national policies, such as interest rate increases, reserve requirements and other monetary policies, as well as changes in company fundamentals.

If changes cause market concerns, corporate bonds will be sold, causing bond prices to fall, or similar bond prices to rise, existing bonds will be sold and new bonds will be sold. Falling bond prices are affected by many factors, so investment needs to be cautious