Investors should invest wisely when buying funds. If they buy bad funds, they always fall more and rise less, so don't add positions. Masukura is likely to get stuck and lose more money. You can consider redeeming the stop loss in time. If there is nothing wrong with the fund itself, but the whole sector is falling, then investors can choose to take a wait-and-see attitude, wait for the fund to turn around, and then add positions to earn back.