The industry source structure of listed companies' income and profits is the most important index to be considered when Shenwan classifies industries. At the same time, the industry classification is carried out by combining market views and investment habits, the company's future development plan, the background of holding companies and other factors. Shenwan's first-level industry classification standard sets 28 first-level industries, 104 second-level industries and 227 third-level industries. The 28 first-class industries include: light industry manufacturing, mining, media, electrical equipment, electronics, national defense, computer, public utilities, non-bank finance, real estate, transportation, automobiles, architectural decoration, financial services, medicine and biology, etc.
Shen Yin Wanguo is the name of a securities company, which was formed by the merger of the former Shanghai Shen Yin Securities Company and the former Shanghai Wanguo Securities Company on July 1996. Shenwan's first-class industries mainly include: non-bank finance, household appliances, architectural decoration, chemical industry, automobile, agriculture, forestry, animal husbandry and fishery, media, public utilities, building materials, machinery and equipment, textiles and clothing, real estate and so on.
The main businesses provided by securities companies include securities underwriting business, securities brokerage business and securities proprietary business. Among them, securities underwriting is the behavior of securities companies issuing securities on behalf of securities issuers, which is divided into consignment and underwriting; Securities brokerage is the behavior of securities companies to buy and sell securities on behalf of investors; Securities proprietary business is the behavior of securities operating institutions to invest in buying and selling securities for their own institutions, earn the bid-ask difference and bear the corresponding risks.
Securities companies, also known as "brokers", refer to limited liability companies or joint stock limited companies that engage in securities business with the approval of the State Council Securities Regulatory Authority in accordance with the provisions of the Company Law. A securities company is a non-bank financial institution. They are legal organizations engaged in securities business and legal entities specializing in securities trading. It can be divided into securities management companies and securities registration companies.