If you make a fixed investment, you will generally choose stock, hybrid and index funds. Similar bond funds are not allowed to make fixed investment, and they are all one-time purchases of a certain amount.

Why do you choose this category for fixed investment? Because these categories will fluctuate with the market, installment purchase will reduce the risk and be a certain guarantee.

The words of index funds are basically closely related to the trend of the broader market. The market is good, and the fund you bought is good. vice versa

The stock type is also related to the broader market, but it has a lot to do with the specific proportion of stocks in the fund, depending on how you choose.

It is difficult to measure the quality of the fund, and the final choice lies with you.