China Stock Exchange is the abbreviation of Chinese concept stocks in foreign or Hong Kong stock markets, which means that these companies mainly operate in China, but are listed in foreign or Hong Kong. Premium is the issuance of shares exceeding par value.

Concept stocks refer to stocks with some special connotations. This connotation is usually regarded as a theme of stock selection and speculation, and has become a hot spot in the stock market. It has a specific name, theme and so on, such as financial stocks, real estate stocks, asset restructuring stocks, brokerage stocks, Olympic theme stocks, insurance stocks, futures concepts and so on, all of which are called concept stocks. Simply put, concept stocks are pre-speculation on the growth of operating performance in the industry where stocks are located.