[analysis of the daily limit at noon on May 12] A total of 20 shares rose by the daily limit of May 12 in the two markets, with a total of 4 shares and 7 shares failed to close the board, with a closure rate of 74% (excluding St shares, delisted shares and unopened new shares). Individual stocks, media stocks Huanrui Century 2 board, publishing media board 2, textile and clothing plate red dragonfly 2 boards, mergers and acquisitions of Yayun shares 2 boards.