星环科技：股票交易异常波动公告

Group 1 - The core point of the article is that Xinghuan Technology announced a significant abnormal fluctuation in its stock price, with a cumulative increase of over 30% in the closing prices over three consecutive trading days [1] Group 2 - The specific dates of the stock price increase are December 12, December 15, and December 16, 2025 [1] - The announcement was made on the evening of December 16, indicating the company's compliance with regulatory requirements regarding stock trading anomalies [1]