Buying equity through equity investment fund companies as an intermediary, the relationship between customers and fund companies belongs to entrusted financial management, and fund companies have no fixed rate of return. The rise and fall of stocks directly affect your investment income. This kind of entrustment relationship is often investors, that is, customers don't know much about the stock market and want to set foot in the stock market, so they entrust fund companies with experience in investing in the stock market to operate on their behalf.