盛美上海: 股票交易异常波动公告

Core Viewpoint - The stock of Semiconductor Equipment (Shanghai) Co., Ltd. experienced a significant price fluctuation, with a cumulative closing price increase exceeding 30% over three consecutive trading days in August 2025, indicating abnormal trading activity [1][2]. Group 1: Stock Trading Abnormalities - The company's stock price increased by over 30% cumulatively on August 22, 25, and 26, 2025, which is classified as abnormal trading behavior according to the Shanghai Stock Exchange regulations [1]. - The company conducted a self-examination and confirmed that there are no undisclosed significant matters or important information that could affect the stock price [2]. Group 2: Operational Status - The company reported that its production and operational activities are normal, with no significant changes in market conditions or industry policies, and no substantial fluctuations in production costs or sales [2]. - There are no major undisclosed matters affecting the company's stock trading, including mergers, debt restructuring, or asset injections [2]. Group 3: Media and Market Rumors - The company found no media reports or market rumors that could significantly impact its stock price [2]. - There were no other sensitive information or events identified that could affect the stock price during the period of abnormal trading [2]. Group 4: Board of Directors' Statement - The Board of Directors confirmed that there are no undisclosed matters that should be reported according to the relevant regulations of the Shanghai Stock Exchange [3].