[April 19 limit analysis] Today, a total of 27 shares rose by the daily limit, with a total of 3 shares and 17 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, tourism stock qu Jiangwen Brigade 8 days 6 boards, media plate Ciwen Media 7 days 5 boards, infrastructure stocks Tibet Tianlu 6 days 3 boards, data center plate 2 boards of news communications, CPO concept stocks Cambridge Science and Technology 2 boards, artificial intelligence plate focus science and technology 2 boards, China Science and Technology Information growth Enterprise Board first board, Wanchen Biological growth Enterprise Board first board, Longte Intelligent growth Enterprise Board first board. Today, 1542 stocks rose and 3279 stocks fell.