时空科技：股票交易异常波动公告

Group 1 - The company announced that its stock price experienced a cumulative increase of over 20% over three consecutive trading days from September 15 to September 17, 2025, indicating abnormal trading fluctuations [1] - The company confirmed that there are no undisclosed significant matters as of the announcement date after self-inspection and verification with its controlling shareholder [1] - The company clarified that it is not involved in the ride-hailing business, despite being categorized as a "ride-hailing concept stock" by some media [1] Group 2 - As of September 17, 2025, the company's closing stock price was 28.67 yuan, with a latest price-to-book ratio of 2.24, which is higher than the industry average of 2.19 for the "E50 construction decoration, renovation, and other construction industries" [1] - The company cautioned investors about the potential for irrational speculation due to the significant short-term price increase and emphasized the importance of rational decision-making and investment [1]