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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 recent years, the supervision of the A-share market has been continuously strengthened. According to the securities law, the stock exchange has the right to give a risk warning to the company when it commits major violations of laws and regulations. This risk warning is usually presented to the public in the form of ST, aiming at reminding investors of potential investment risks. Statistics show that the number of companies that have been ST or *ST reached 76 during the year, setting a record high. Many of these companies have been investigated by regulators for financial fraud or insider trading.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.

Tianrui Instrument: Also affected by financial problems, it dropped significantly after the resumption of trading.In recent years, the supervision of the A-share market has been continuously strengthened. According to the securities law, the stock exchange has the right to give a risk warning to the company when it commits major violations of laws and regulations. This risk warning is usually presented to the public in the form of ST, aiming at reminding investors of potential investment risks. Statistics show that the number of companies that have been ST or *ST reached 76 during the year, setting a record high. Many of these companies have been investigated by regulators for financial fraud or insider trading.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.