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7 days and 6 boards: construction industry.7 days and 6 boards: Shanzi Hi-Tech.4 days and 3 boards: Keli sensing.

7 days and 5 boards: Fenda Technology.Fourth, the digital economyThird, artificial intelligence

V. Auto PartsThe first board: Huawei Technologies, Xinbo, Xiangyang Bearing.Stimulated by the after-hours news on Monday, the Shanghai Composite Index opened sharply higher on Tuesday, but gradually declined in intraday trading, rising only 0.59% to close at 3,422.66 points. The turnover of the two cities was 2,200.2 billion yuan, an increase of 565.7 billion yuan. The number of stocks in the two cities rose by 2,760, while the number of stocks fell by 2,154. Among them, there were 109 non-ST stocks with daily limit and 3 stocks with daily limit, and the stocks with daily limit were still not cleared. Daye shares closed at a daily limit of 2 consecutive boards, and the promotion rate of fancy stocks on the disk was not high, while the number of fried stocks was still quite large. From Tuesday's disk, the effect of making money was average, and the boosting effect of news on short-term sentiment was relatively limited.