If the fund is a quality fund, you can continue to hold it. Adding positions after the plunge is a better operation. The lower the cost, the lower the risk that investors bear, and the higher the probability of returning to the capital or making money in the future. If the fund is not a quality fund, it can be sold.

High-quality funds can be selected from three aspects: fund manager, historical performance of funds and maximum withdrawal of funds. Fund managers choose funds with long working hours or star fund managers and funds with good historical performance, and choose funds with low numbers for maximum withdrawal.