Stock funds, hybrid funds, index funds, ETF linked funds, etc. Both are suitable for fixed investment, while bond funds and money funds are not suitable for fixed investment. The fixed investment of the fund takes the average income of the fund, which is more suitable for funds with certain fluctuations. Funds with small fluctuations can be bought at one time without fixed investment.

Fixed investment refers to the fixed-time and fixed-amount purchase of funds, which has the advantages of saving time and worry, taking average income, and no need to stop at the right time.