What are A shares, B shares and blue chips? What is the definition? Why does Buffett only buy traditional corporate stocks? What are the advantages of traditional enterprise stocks?

The official name of A shares is RMB common stock. It is common stock issued by me and domestic companies for domestic institutions, organizations or individuals (excluding investors from Taiwan, Hong Kong and Macao) to subscribe and trade in RMB. In 1990, there were only 10 shares in China. By the end of 1997, the number of A shares had increased to 720, with a total share capital of 65,438. 1997 the annual turnover of a shares is 447 1 100 million shares, with an annual turnover of 3,029.5 billion yuan. After several years of rapid development, China A-share market has begun to take shape.

The official name of B shares is RMB special shares, which are denominated in RMB, subscribed and traded in foreign currency, and listed and traded on domestic (Shanghai, Shenzhen) stock exchanges. Its investors are limited to foreign natural persons, legal persons and other organizations, natural persons, legal persons and other organizations in Hongkong, Macau and Taiwan Province Province, and China citizens who have settled abroad. Other investors as stipulated by China Securities Regulatory Commission. At present, investors in Japanese stocks are mainly institutional investors of the above categories. B-share companies are registered and listed in China. Only investors are overseas or in China, Hongkong, Macau and Taiwan Province Province.