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Investment is risky, especially in the ever-changing capital market, which may face sudden risks at any time. Only by establishing a good investment mentality and choosing carefully can we move forward steadily.Tianrui Instrument: Also affected by financial problems, it dropped significantly after the resumption of trading.Investment is risky, especially in the ever-changing capital market, which may face sudden risks at any time. Only by establishing a good investment mentality and choosing carefully can we move forward steadily.

Zhiyun shares: due to financial fraud, it was suspended by ST and resumed trading.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.Tianrui Instrument: Also affected by financial problems, it dropped significantly after the resumption of trading.

*ST Zhuo Lang: Touching a major violation of the law, facing mandatory delisting.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.