芯瑞达：股票连续3日涨幅偏离值累计超20%，提示风险

Core Viewpoint - The company announced that its stock experienced an abnormal fluctuation, with a cumulative closing price increase deviation of 20.93% over three consecutive trading days [1] Summary by Relevant Sections - Stock Performance - The stock price increased significantly over three trading days: November 27, November 28, and December 1, resulting in a cumulative increase deviation of 20.93% [1] - Company Investigation - The company conducted an internal review and found no corrections or supplementary disclosures to previous information. There were no significant changes in recent operations or the business environment [1] - Insider Trading - During the period of abnormal fluctuation, neither the controlling shareholder nor the actual controller engaged in buying or selling the company's stock [1] - Investor Advisory - The company advised investors to rely on information from designated media sources and to invest rationally [1]