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31 shares have been investigated by institutions since this week.According to industry statistics, on December 12, the financing balance of 19 industries increased, and the financing balance of non-bank financial industry increased the most, increasing by 1.649 billion yuan compared with the previous day; In addition, the financing balance of computers, commerce, retail and media increased by 1.599 billion yuan, 1.228 billion yuan and 862 million yuan respectively.

Yonghui Supermarket ranked first in financing net purchases, with a net purchase of 437 million yuan that day, followed by vision china and Oriental Fortune, with net purchases of 437 million yuan and 418 million yuan respectively. Among the top net purchases of financing are CITIC Securities, Straight Flush and Giant Wheel Intelligence.Changzhou Jinhong, a shareholder holding more than 5% of the shares of Zhongjing Technology, plans to reduce its holding of 18,886,100 shares by centralized bidding and block trading, which does not exceed 3% of the total share capital.On December 13th, a total of 12 companies announced plans to reduce shareholders' holdings. According to the statistics of the proportion of the maximum number of shares to be reduced to the total share capital, the shareholders of Zhongzhong Technology, Alaide, Anheng Information, Fujita and other stocks are in the top position.

12 companies announced shareholder reduction plans.As of December 12, the latest financing balance in the market was 1,882.656 billion yuan, a new high since the current round of market, an increase of 6.8 billion yuan from the previous trading day, which continued to increase for four consecutive trading days.In the research, China Investment Intelligence said that the company has developed the "Tianqing" big model and the "Qiko" big model application platform. In terms of AI empowerment, the capabilities of "Tianqing" and "Qiko" have been fully integrated and applied to the company's existing businesses and products, including the intelligence of the whole process of "Gankun" big data operating system, the information mining and summary improvement of forensic products, and the multimodal processing of video images in emergency areas.