If investors are in a profitable state, they can redeem the fund; If investors are at a loss, they can increase their positions, and the funds and stocks operate in the same direction. When the stock market plummets, the fund is likely to fall, and the fund decline is a good time to add positions.

The fund mainly invests in a basket of stocks, and the rise and fall of the fund is determined by the stocks invested. Invested stocks go up, funds go up, invested stocks go down and funds go down.