A shares are also called RMB common shares, tradable shares, public shares and common shares. Refers to the common stock registered in Chinese mainland and listed in Chinese mainland. Subscribe and trade in RMB. A shares are not physical shares. Electronic recording, paperless, implementation of "T+ 1" delivery system, price limit (10%). The participating investors are Chinese mainland institutions or individuals.

B shares are also called RMB special stocks. Refers to the special stock registered in Chinese mainland and listed in Chinese mainland. Indicate the face value in RMB, and can only subscribe and trade in foreign currency. 199 1 year issued the first b shares. B shares are not physical shares. They are recorded electronically, without paper, and the "T+3" delivery system is implemented. There is a limit (65,438+00%). The investors involved are Hong Kong, Macao and Taiwan residents and foreigners, and mainland residents with legal foreign exchange deposits can also invest.

G shares refer to the listing after the share-trading reform, and the word "G" is added before the stock name to distinguish it from the unreformed shares, which is the regulation of the CSRC.

H shares, that is, foreign shares registered in the mainland and listed in Hong Kong. The English of HOngKOng is Hong Kong, and the foreign shares listed in Hong Kong are called H shares.

Blue chip refers to the common stock of a company that has a stable profit record, can regularly pay rich dividends and is recognized as outstanding performance, also known as "blue chip".

The word "blue chip" comes from the blue chip used in gambling tools. Blue chips usually have a high monetary value. The basic supporting conditions for a stock to become a blue chip are: (1) During the depression, the company can formulate plans and measures to ensure the company's development; (2) In the prosperous period, the company can exert its greatest ability to create profits; (3) During the period of inflation, the company's actual surplus can remain unchanged or increase.

Blue chips are not equal to stocks with high investment value, because: (1) the market price of blue chips may be high; (2) The circulation plate of blue chips may be too big; (3) Blue-chip companies are in the mature stage of their careers, and the motivation for further development may be limited, so the long-term risks should not be underestimated.

Blue-chip stocks usually have good resilience, and after the market improves, they have good resilience and strong rising ability. Therefore, blue-chip stocks are often sought after by the market, and buying such stocks when the market is in a downturn is an option to stabilize profits.