Fund is an excellent way for investors to participate in securities market investment. The fund is managed and operated by professional investment institutions; Funds include high-risk partial stock funds and low-risk bond funds with bond market or money market as the main investment market, principal guaranteed fund and money funds, and partial stock funds contain a variety of different product positioning bases. Investors can not only choose corresponding funds to invest according to market trends, styles and their own risk-return preferences, but also choose multiple funds to build a fund portfolio with more optimized risk-return ratio. As far as the current market is concerned, the A-share market is facing three major domestic pressures-high inflation, tight monetary policy and slowing economic growth, as well as the pressure of slowing economic recovery in Europe and the United States, and the challenges brought by the overseas debt crisis in Europe and the United States to the global economic recovery process. It can be said that the market is under great short-term pressure, and investors who plan to invest in partial stock funds can consider holding money for the time being.

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 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.