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4 days and 3 boards: Royal Bank shares.5 days and 4 boards: Ningbo Jingda.2 boards: China Research Institute and Walter.

The first board: Huawei Technologies, Xinbo, Xiangyang Bearing.2 boards: Shuangta Food, Huifa Food and Zhongbai Group.Third, artificial intelligence

3 days and 2 boards: Xinshida, Shengli Precision and Fuda.Fourth, the digital economy10 days and 9 boards: Rishang Group.