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4. Jingchen Co., Ltd.: The machine vision intelligent chip under research is in the trial production stage.The latest news! Today is the evening of December 11th. Two latest news broke out in the market, such as the National Copyright Administration, which sent some different signals to the next A-share market. Twenty-one listed companies issued relevant announcements and invested in public opinion hotspots on Wednesday to see if it affected your sector positions. What is the reason why A shares shrank by 17,000 yuan and Xiaoyang rose by 9 points today? Sincerely remind 300 million investors!4. Jingchen Co., Ltd.: The machine vision intelligent chip under research is in the trial production stage.

16, 6 Lianban Shandong Glass Fiber: The company's stock may have the risk of falling sharply in the short term.2. Guokewei: AI edge computing chip can be used in robot and other fields.20. Construction industry: The current P/E ratio and P/B ratio of the company are quite different from those of the same industry.

Third, bad news affecting listed companiesThe second reason is that there are 25 stocks that have fallen more than 9% today, and the main funds have also sold a net of 28.2 billion. Some sectors and several stock markets have fallen back at a high level. In the past two days, the number of high-level reminders of risks and the lifting of the ban has also increased, which also has a certain pressure on today's disk.The data is for exchange and study only, and does not represent any investment advice. The market is risky and investment needs to be cautious!