First of all, what does the secondary market of funds mean?

the secondary fund market refers to the fund trading market, that is, the market where the issued funds are traded, transferred and circulated.

secondly, what funds can be purchased in the secondary market of funds? How to buy and sell funds in the secondary market of funds?

funds that can be purchased in the secondary market of funds include LOF (transactional open-end fund) and ETF (transactional open-end index fund). The way to buy funds in the secondary market of funds is very simple. As long as you open a fund trading account in a securities company, you can buy and sell on the quotation software of the securities company. Generally, many securities companies will open a fund account for you when you open a stock account, but you should ask the broker for details.

thirdly, what are the trading rules of the secondary market of funds?

the trading rules of the secondary market of funds are similar to those of stocks. At least 1 copies of funds should be purchased in the secondary market of funds, and the funds bought today can only be sold tomorrow.