[analysis of midday trading on May 25] A total of 30 shares rose by the daily limit of May 25 in the two markets, with a total of 10 shares and 12 shares failed to seal the board, with a closure rate of 71% (excluding St shares, delisted shares and unopened new shares). In terms of individual stocks, Nissan Fashion 10 boards for mergers and acquisitions, Hangzhou Thermal Power 10 days 9 boards, Guidong Electric Power 7 days 5 boards, Robot concept stocks Ruineng Technology 5 boards, Yum Intelligent growth Enterprise Board 3 boards, ST capped Taiwan Strait Nuclear Power Board 4, Shenyang Machine tool 2 boards, Textile and clothing Plate Tianchuang Fashion 2 boards.