Concept stocks are relative to blue chips. Blue-chip stocks need good performance support. Concept stocks rely on a certain theme, such as the concept of asset reorganization and the concept of three links to support prices.
A shares, that is, RMB ordinary shares, are ordinary shares issued by companies in China for domestic institutions, organizations or individuals (from April 20 13, 1, domestic, Hong Kong, Macao and Taiwan residents can open A-share accounts) to 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.