1, whether buying stocks belongs to the financial industry: in a broad sense, buying and selling stocks belongs to financial transactions, as long as the subject matter is bought and sold with funds; In a narrow sense, it does not belong to the financial industry, because buying and selling stocks is only your personal trading behavior and will not have much impact on society. It is a personal behavior, not an industry behavior. 2, the financial industry is divided into the following parts by category:

Banking: central banks, commercial banks and other banks;

Securities industry: securities market management, securities brokerage and trading, securities investment, securities analysis and consulting;

Insurance industry: life insurance, non-life insurance and insurance auxiliary services;

Other financial industries: financial trust, financial leasing, finance companies, postal savings, pawn, etc. 3. Securities company: refers to a limited liability company or a joint stock limited company with independent legal personality, which is approved by the securities regulatory authority of the State Council in accordance with the provisions of the Company Law and the Securities Law. At present, there are nearly 100 securities companies in China. The famous big companies include Guotai Junan, China Merchants Securities, Huatai Securities, changjiang securities, Guo Xin Securities, orient securities, Guangfa Securities, Hongyuan Securities, Haitong Securities, Huaxia Securities, Shen Yin Wanguo, Bank of China International and so on.