Southern fund is a fund management company, the full name of which is southern fund Management Co., Ltd., which was established on March 6, 1998. Southern fund's main business scope includes fund offering, national social security fund, one-to-one and one-to-many financial management, etc. Its fund products mainly include Southern Early Yuan Short Debt A, Southern Anyu Mixed A, Southern Crude Oil, Southern 500, Southern 300 Connection A, Southern Fengyuan A and so on. In addition, there are financial management services for pension funds, enterprises and institutions.

Funds can be divided into broad sense and narrow sense. Broadly speaking, a 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.

There are three main analysis methods of securities investment: basic analysis, technical analysis and evolution analysis, in which the basic analysis is mainly applied to the value judgment and selection of investment objects, while the technical analysis and evolution analysis are mainly applied to the time and space judgment of specific investment operations as an important supplement to improve the effectiveness and reliability of securities investment analysis.

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.

Fixed fund investment is to invest in a designated fund at a fixed time with a fixed or unfixed amount, which is similar to an investment method of bank deposit and withdrawal, and is a weapon for lazy people to invest.

For example, one day after the completion of each month, take out 20% of the salary to buy funds or wealth management products. After a period of time, the wealth management product expires or the fund is sold to obtain the principal and income.