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1. Gold (English: gold) is a chemical element with the chemical symbol Au (from Latin: Aurum) and the atomic number 79. Pure gold is a kind of metal with bright luster, reddish yellow, soft texture, high density and ductility. It is a rarer, more precious and more valuable metal. It is not only a special currency for reserve and investment, but also an important material for jewelry industry, electronics industry, modern communication, aerospace industry and other departments. /kloc-before the 0/9th century, the gold productivity of human society was very low. Some people think that in the thousands of years before19th century, human beings produced less than 10000 tons of gold, for example, only 200 tons in18th century. Due to the discovery of a series of gold resources in the19th century, the gold output has greatly increased since then, especially in the 50 years in the second half of the19th century, which exceeded the sum of the previous 5,000 years. In 20 13 years, the global total gold output is about 2770 tons.
2. Funds can be divided into broad sense and narrow sense. Broadly speaking, they refer to a certain amount of funds set up for a certain purpose, such as trust and investment funds, provident funds, retirement funds and so on. In a narrow sense, they refer to funds with specific purposes and uses. Usually, funds mainly refer to securities investment funds. The income of securities investment funds comes from the future, and the performance of the income is inseparable from the performance of the investment target market, which has certain risks. According to different standards, securities investment funds can be divided into different types: according to whether the fund share can be increased or redeemed, it can be divided into open-end funds and closed-end funds. Open-end funds are not traded on the market (as the case may be), but are purchased and redeemed by banks, brokers and fund companies, and the fund scale is not fixed; Closed-end funds have a fixed duration and are generally listed and traded on the stock exchange. Investors buy and sell fund shares through the secondary market. According to different organizational forms, it can be divided into corporate funds and contractual funds. A fund is established by issuing fund shares to establish an investment fund company, which is usually called a corporate fund; The establishment of fund managers, fund custodians and investors through fund contracts is usually called contractual funds. China's securities investment funds are all contractual funds; According to the difference of investment risk and income, it can be divided into growth fund, income fund and balanced fund; According to different investment objects, it can be divided into stock funds, bond funds, money market funds and futures funds.