2. Blue chip refers to a stable cash dividend policy, which requires higher cash flow management of the company. Usually, the stocks of companies with good operating performance and stable and high cash dividends are called "blue chips". Blue-chip stocks refer to large, traditional industrial stocks and financial stocks that grow steadily for a long time. The term "blue chip" comes from western casinos. In western casinos, there are three colors of chips, of which blue chips are the most valuable.

3. Open-end fund refers to a fund operation mode in which fund sponsors can sell fund shares or shares to investors at any time according to their needs when setting up a fund, and can redeem the issued fund shares or shares at the request of investors. Investors can buy funds through fund sales agencies, so that the assets and scale of the fund will increase accordingly, or they can sell their fund shares to the fund to recover cash, so that the assets and scale of the fund will decrease accordingly.