四方达：股票交易异常波动

Core Viewpoint - The company has experienced a significant stock price fluctuation, with a cumulative increase of 30% over three trading days, which is classified as abnormal trading activity [1] Company Information - The company confirmed that there are no corrections or supplements needed for previously disclosed information [1] - No undisclosed significant information that could impact the stock price has been identified recently [1] - The company's operational situation and external environment have not undergone any major changes, nor are any expected [1] - The company, its controlling shareholders, and actual controllers have not engaged in any stock trading during the period of abnormal price fluctuation [1] Market Context - The company has noted increased market interest in cultivated diamonds and superhard materials, and has disclosed relevant business information and risks in its periodic reports [1] - The company advises investors to make rational decisions and invest cautiously [1]