[April 20 limit analysis] Today, a total of 33 shares rose by the daily limit, with a total of 3 shares and 10 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, CPO concept stocks Cambridge Science and Technology Board 3, Liante Technology growth Enterprise Board, media plate Ciwen Media 8 days 6 Board, Southern Media 2 Board, Blue cursor growth Enterprise Board, data element concept stocks China Science and Technology spread 8 days 5 boards, the performance exceeds expectations of the Railway Railway Science pioneering Board, Kos Stock growth Enterprise Board, Cambrian Science pioneering Board of the chip industry chain, Baiwei Storage Science first Board. Data center plate Zhongshi technology growth enterprise board. Today, 1569 stocks rose and 3295 stocks fell.