--- title: "Changzhou Langbo Technologies has issued an abnormal announcement as its stock price has deviated by more than 20% for three consecutive days" type: "News" locale: "en" url: "https://longbridge.com/en/news/257505604.md" description: "Changzhou Langbo Technologies experienced a cumulative price deviation of over 20% during the consecutive trading days of September 12, September 15, and September 16, 2025, indicating abnormal fluctuations. After self-examination, the company confirmed that, aside from disclosed information, there are no undisclosed significant information, and production and operations are normal. The company reminds investors to pay attention to market risks and make rational decisions" datetime: "2025-09-16T09:11:01.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/257505604.md) - [en](https://longbridge.com/en/news/257505604.md) - [zh-HK](https://longbridge.com/zh-HK/news/257505604.md) --- # Changzhou Langbo Technologies has issued an abnormal announcement as its stock price has deviated by more than 20% for three consecutive days On September 12, 15, and 16, 2025, the stock price of Changzhou Langbo Sealing Technology Co., Ltd. experienced a cumulative deviation of over 20% in closing price over three consecutive trading days, indicating abnormal stock trading fluctuations. After the company’s self-examination and inquiries with the controlling shareholder and actual controller, as of the announcement date on September 17, there is no significant information that should be disclosed but has not been disclosed, aside from the information already disclosed. The company is currently operating normally, and no significant media reports or market rumors that could have a major impact have been found. The company reminds investors to pay attention to secondary market trading risks, make rational decisions, and invest prudently, with information based on announcements from designated channels ### Related Stocks - [603655.CN](https://longbridge.com/en/quote/603655.CN.md) ## Related News & Research - [Prof G warns Trump is 'bankrupting' America — how to save yourself from a 'weakening' US in 2026](https://longbridge.com/en/news/289662059.md) - [A lot remains to be seen in terms of a conclusive Iran agreement, says RBC's Helima Croft](https://longbridge.com/en/news/289504450.md) - [5 charts from Goldman Sachs show how AI mania stacks up against past market booms](https://longbridge.com/en/news/289480644.md) - [How to remove Iran's enriched uranium still needs hashing out - report](https://longbridge.com/en/news/289629837.md) - [Iran says funeral for late Supreme Leader Khamenei to begin July 4, burial set for July 9](https://longbridge.com/en/news/289663117.md)