Huabao Oil and Gas, Huabao Standard & Poor's Oil. Fund refers to a way of centralized management of a certain amount of funds. According to different risks and returns, funds are divided into money funds, bond funds and stock funds. Among the stocks, the European natural gas funds are: Huabao Oil and Gas, Huabao Standard & Poor's Oil. A fund is a reserve of funds or a special appropriation for starting, maintaining or developing a cause.