[analysis of the daily limit at noon on May 15] A total of 19 shares rose by the daily limit of May 15 in the two markets, with a total of 2 shares and 12 shares failed to seal the board, with a closure rate of 61% (excluding St shares, delisted shares and unopened new shares). In terms of individual stocks, power stocks Hangzhou Thermal Power Board 2, Construction Investment Energy Board 2, charging pile plate Beiba Media 3-day 2 board, Englo-Rui gem 4-day 2 board, media + AI Xinhua Media 3-day 2 board.