The significance of the classification behind the fund is to classify the different needs of risk taking and return expectation. Graded fund refers to the index is divided into two parts for investment operation, which is divided into priority and secondary. Therefore, investors can choose different levels of funds according to their risk-taking ability and income expectation, so as to achieve the best risk control and income balance.

The risk and income of graded funds are excellent, and the income of priority funds is relatively high, but its risk is also great. Relatively speaking, the risk of sub-fund is small, but the income is limited. Graded funds are usually suitable for medium and long-term investors who require high risk control and income balance, but not for short-term investors who pursue quick profits.

In short, the investment elements of graded funds must take into account individual risk preferences, investment objectives and overall changes in the market. In the process of investment, it is necessary to analyze and evaluate carefully and make scientific decisions in order to obtain more excellent income performance. When choosing a fund, we should comprehensively consider many factors such as risk-taking ability and investment preference, and use scientific methods and means to predict and analyze the market in order to maximize the return on investment.