You can buy stock funds and hybrid funds to sell high and suck low, and you need to sell high and suck low for fixed investment. The investment targets of equity funds and hybrid funds are mostly stocks, which will fluctuate slightly. When the fund is at a low level, it can be bought appropriately to reduce costs. When the fund can be sold at a high level to control risks, so is the fund investment operation. Low buying cost is reduced, and high profit is obtained.

The operation method of "high throwing and low sucking" is suitable for products with certain fluctuations, and it is of little significance to do high throwing and low sucking for products with relatively stable returns, which will only increase the cost such as handling fees.