先锋新材：股票交易异常波动公告

Core Viewpoint - The company, Pioneer New Materials, announced that its stock price experienced an abnormal fluctuation, with a cumulative increase of over 30% in the closing price over two consecutive trading days on October 27 and 28, 2025 [1] Summary by Relevant Sections - Stock Performance The stock price of Pioneer New Materials showed a significant increase, with a cumulative rise exceeding 30% over two trading days, indicating unusual trading activity [1] - Company Disclosure The company confirmed that there were no corrections or supplements needed for previously disclosed information, suggesting that the stock price movement is not based on new material information [1] - Media Coverage Pioneer New Materials stated that it has not identified any recent media reports related to the company that have garnered high market attention, indicating that the stock price increase may not be driven by external news [1]