Wechat Wealth Management is a subsidiary of Tencent, Shanghai Tengfu Financial Information Service Co., Ltd., which has obtained the qualification of fund sales, so it can sell the products of the fund companies it cooperates with. The reason why the products inside have gone up and down is because the fund invests in the stock market, bond market or money market, and the stock market and bond market fluctuate, so the fund will make money because of its floating losses.

Fund is a kind of collective asset management plan, in which investors' interests and risks are shared. Simply put, when a citizen buys a fund, he gives his assets to a trusted fund manager to buy stocks and bonds. If the fund manager buys stocks to make money, the fund will be profitable; When it loses money, the fund loses money. The reason why bond funds and money funds have income is because the bonds or bills and certificates of deposit invested by fund managers have coupon rate.