Sunxing(SH:603978) Shang Hai Zheng Quan Bao·2025-09-11 18:45Core Viewpoint - Shenzhen Xinxing Light Alloy Materials Co., Ltd. experienced a significant stock price fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days from September 9 to September 11, 2025, which is classified as abnormal stock trading behavior according to the Shanghai Stock Exchange regulations [2][4]. Group 1: Stock Trading Abnormality - The company's stock price increased by more than 20% cumulatively over three trading days, indicating abnormal trading activity [2][4]. - The company conducted a self-examination and confirmed that there are no undisclosed significant matters or important information as of the announcement date [2][6]. Group 2: Company Operations - The company reported that its production and operational activities are normal, with no significant changes in daily operations or external environment [5]. - There have been no media reports or market rumors that could significantly impact the company's stock price [7]. Group 3: Insider Trading - During the period of abnormal stock trading, the company's controlling shareholders, actual controllers, and senior management did not engage in buying or selling the company's stock [8]. Group 4: Board Statement - The board of directors confirmed that there are no undisclosed matters that should have been reported according to the Shanghai Stock Exchange regulations, and previous disclosures do not require correction or supplementation [10].