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Since 2020, Zhiyun Co., Ltd. has gradually grown after acquiring Shenzhen Jiutian Zhongchuang Automation Equipment Co., Ltd., but all this has been returned to its original shape because of false confirmation of sales revenue. In the financial report of 2022, Jiutian Zhongchuang falsely confirmed the sales revenue with Jiangxi Mizan Technology Co., Ltd., which seriously affected the authenticity of Zhiyun's annual report. This dramatic turn has caught many optimistic investors off guard.According to industry analysis, with the gradual improvement of regulatory policies, the number of ST companies has increased, and some investors have suffered losses because they failed to grasp the company's dynamics in time. This is a very regrettable thing. Therefore, when investors choose stocks, they should be especially vigilant against those companies that have been investigated by the CSRC.Today, with the ups and downs of the A-share market, the sudden ST of Zhiyun shares has aroused widespread concern among investors. The stock of this technology company has been subject to other risk warnings since December 12, because the company has false records in its 2022 annual report. As soon as the news came out, it directly fell to the limit on the day of resumption of trading, with a drop of 20%. This incident is not only amazing, but also leads to deeper thinking on ST stock.

Although the overall trend of A-shares is still stable and bull stocks emerge one after another, investors must remain vigilant, be familiar with the risks behind them and adjust their investment strategies in time.Today, with the ups and downs of the A-share market, the sudden ST of Zhiyun shares has aroused widespread concern among investors. The stock of this technology company has been subject to other risk warnings since December 12, because the company has false records in its 2022 annual report. As soon as the news came out, it directly fell to the limit on the day of resumption of trading, with a drop of 20%. This incident is not only amazing, but also leads to deeper thinking on ST stock.

Further, Tianrui Instruments, which was also recently ST, also experienced a significant decline after its resumption of trading, because of the false record of financial indicators. There are indications that the risk brought by ST is not isolated, but a universal market phenomenon.Tianrui Instrument: Also affected by financial problems, it dropped significantly after the resumption of trading.In order to prevent investors from stepping on the minefield of sudden ST, the insiders gave the following suggestions: When paying attention to individual stocks, it is especially necessary to check whether the company has received the notice of filing or other administrative penalties in advance. Once those companies are put on file for investigation, their stocks will almost certainly be greatly affected. Furthermore, most companies that have been ST are usually small-cap stocks, and many companies have a market value of less than 10 billion yuan. According to the statistics of DataBao, among the companies investigated this year, 33 non-ST companies are suspected of violating the rules, and such companies are also called "poor performance stocks" by investors in the market.