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4. Jingchen Co., Ltd.: The machine vision intelligent chip under research is in the trial production stage.2. Guokewei: AI edge computing chip can be used in robot and other fields.Second, good news affecting listed companies

Second, good news affecting listed companies5. Molding technology: The turnover of selling Jiangsu Bank shares was 226 million yuan.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 companiesFourth, hot spots of investment public opinion on Wednesday21. Shuaifeng Electric Appliances: There may be the risk of irrational speculation and the risk of a large short-term increase in the stock price and subsequent decline.