Fund companies. Alipay is only an agent for sales: money funds, equity funds and hybrid funds. The system automatically selects the Great Wall Fund as the docking fund. Yu 'ebao has actually docked several money funds, and investors can change them themselves. Investors choose the Great Wall Fund by default, and Yu 'ebao shows the Great Wall Fund. Yu 'ebao also uses the interest rate of Great Wall Fund to calculate the income. Money fund investment is a tool of money market and the least risky investment in the fund.