It is not recommended to buy when the fund is in a downward trend. If you want to make fixed investment in the fund, then it is possible. Fixed investment in the fund is usually carried out in the downward trend. The fixed investment in the fund is the average cost, so you can invest in the upward trend or the downward trend of the fund. Either way, it’s best to do it in a downtrend.

The fund's income is determined by the investment target. If the investment target rises, the fund will rise, and investors will gain income. If the investment target falls, the fund will fall, and investors will suffer losses.