2. Funds can be divided into broad sense and narrow sense. Broadly speaking, a fund refers to a certain amount of funds set up for a certain purpose. Funds can not only invest in securities, but also invest in enterprises and projects. By issuing fund shares, fund management companies concentrate investors' funds, which are managed by fund custodians (that is, qualified banks) and managed and used by fund managers to invest in financial instruments such as stocks and bonds, and then * * * bear the investment risks and share the benefits.