The word "stock" in classical Chinese had different meanings in different context. The following are some common meanings: 1. Thigh: It refers to the thigh part of the human body and also refers to the investment combination of stocks, bonds and other financial instruments. " 2."" stock " referred to a type of security in ancient times. It was an item that could be bought and sold. It represented the ownership of a certain property by a person or institution, such as " stock "," shareholder ", etc. 3. The stock index refers to an index calculated from a certain number of stocks as a sample to describe the development trend of the stock market. 4. stock dividends: refers to the dividends distributed to shareholders by the company according to the voting results of shareholders. 5. Leg joint: It refers to the joint part of the human leg, such as the "thigh bone". It should be noted that the word "shares" may have other meanings in different context. The specific meaning needs to be understood according to the specific context.