道明光学：连续2个交易日收盘价格涨幅偏离值累计超过20%

Group 1 - The core point of the article is that Daoming Optics announced a significant stock price fluctuation, with a cumulative increase of over 20% in closing prices over two consecutive trading days on December 1 and December 2, 2025, indicating abnormal trading activity [2] Group 2 - The announcement was made on the evening of December 2, highlighting the company's compliance with regulations regarding stock trading anomalies [2] - The stock price movement is classified as an "abnormal fluctuation" according to trading rules [2]