Fixed investment funds can temporarily add positions. Investors can buy it manually. Under normal circumstances, additional investment is called "adding positions" and reducing investment is called "lightening positions". If you plan to make additional investment in the fund you hold, you can directly buy the fund again.

The fixed investment of the fund is fixed investment on a regular basis, also called fixed subscription on a regular basis. It refers to an investment method in which investors apply through relevant sales organizations and agree on the date, amount and method of deduction in each period, and the sales organizations automatically complete the deduction and fund subscription application in the trading account designated by investors on the agreed deduction date in each period.