[analysis of trading limit on May 31] Today, a total of 43 shares rose by the daily limit, with a total of 9 shares with a total of 16 shares failed to seal the board, with a closure rate of 77% (excluding St shares, delisted shares and unopened new shares). In terms of individual stocks, chip + robot Ruineng technology 9-day 8 board, Nvidia concept stock Hongbo stock 5 board, Obi Zhongguang branch first board, brain-computer interface concept stock new intelligence cognition board 4 board, innovative medical board 4 board, game stock celebrity 10-day health board 5 board, education + media 4-day 3 board, CPO concept stock Resconda 2 board, special information 2 board, Apple MR concept stock Liding photoelectric 2 board MLOps concept stock green alliance science and technology growth enterprise board. Today, 1815 stocks rose and 3000 stocks fell.