The bottom position in the fund refers to the behavior of investors selling some funds and keeping some positions. The reason why investors keep the bottom position is because they are not very clear about the future trend of the fund. They are worried that the future decline of the fund will bring losses and that the future rise of the fund will miss the gains brought by the rise, so they will compromise, that is, sell some funds and hold some funds. If the fund falls in the future, they will sell the rest. If the price goes up, investors will