通宇通讯：无应披露而未披露的重大事项

Group 1 - The core point of the article is that Tongyu Communication's stock price has experienced an abnormal fluctuation, with a cumulative increase of over 20% in closing prices over two consecutive trading days [1] - The company acknowledges that the recent surge in stock price may indicate market sentiment overheating and irrational speculation risks [1] - After self-examination and inquiries with the controlling shareholder and actual controller, the company confirmed that there are no undisclosed significant matters [1] Group 2 - The company's operational status is reported to be normal, with no significant changes in the internal and external operating environment [1]