1. Funds are divided into priority, secondary and intermediate. The higher the proportion of priority, the higher the degree of protection of priority to investors. It is good for ordinary priority investors. The greater the proportion of secondary investors, the higher the safety of priority investors.

2. English preferred stock fund. A kind of income mutual fund. Specialized in investing in preferred shares of listed companies. This kind of fund pays attention to fixed income first, and may obtain capital appreciation income through the conversion of preferred shares.