1. Holding a fund for a long time may not be profitable, or it may be out at a loss. The reason is that the rate of return of the fund changes according to market conditions, economic environment and other factors, and whether the fund is profitable has little to do with whether it is held for a long time. In short, the fund is risky and needs to be cautious in investment. No investment will make money 100%.

2. Fund refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations. People usually refer to funds mainly as securities investment funds.

3, according to different standards, securities investment funds can be divided into different types:

(1) According to whether the fund unit can be increased or redeemed, it can be divided into open-end funds and closed-end funds. Open-end funds are not traded on the market (as the case may be), but are purchased and redeemed by banks, brokers and fund companies, and the fund scale is not fixed; Closed-end funds have a fixed duration and are generally listed and traded on the stock exchange. Investors buy and sell fund shares through the secondary market.

(2) According to different organizational forms, it can be divided into corporate funds and contractual funds. A fund is established by issuing fund shares to establish an investment fund company, which is usually called a corporate fund; The establishment of fund managers, fund custodians and investors through fund contracts is usually called contractual funds. China's securities investment funds are all contractual funds.

(3) According to the different investment risks and returns, it can be divided into growth funds, income funds and balanced funds.

(4) According to different investment objects, it can be divided into stock funds, bond funds, money market funds and futures funds.