Buying a sector fund means buying fund assets and mainly investing in a sector fund. Generally, these funds are mainly theme funds and industry funds. The ups and downs of such funds are mainly influenced by the industries in which they invest.

Sector funds have certain requirements for the professionalism of investors. If investors see a good sector and chase a certain sector of the fund, there is a high probability that they will suffer. Investors should conduct in-depth research on the industry before investing in industry funds and need to be forward-looking.