Core Viewpoint - Dongxin Peace's stock price experienced a decline of 2.13% on August 15, 2025, closing at 31.70 yuan despite the announcement of mass supply of quantum security SIM cards, indicating market skepticism about the company's growth prospects [1]. Group 1: Stock Performance - On August 15, 2025, Dongxin Peace's stock price closed at 31.70 yuan, down 2.13% from the previous trading day [1]. - The trading volume for the day reached 3.778 billion yuan, with a turnover rate of 20.38% [1]. - The stock exhibited significant volatility, with a high of 33.17 yuan and a low of 30.55 yuan, resulting in an amplitude of 8.09% [1]. Group 2: Company Operations - Dongxin Peace specializes in the research, development, production, and sales of smart cards and related system products, which are widely used in telecommunications, financial payments, and public utilities [1]. - The company has diversified its business into multiple areas, including communication equipment and data security [1]. Group 3: Market Reaction - The announcement regarding the mass supply of quantum security SIM cards generated market interest but failed to reverse the downward trend in stock price [1]. - On the same day, the net outflow of main funds was 314 million yuan, accounting for 1.71% of the circulating market value [1]. - Over the past five trading days, the cumulative net outflow of funds reached 328 million yuan, representing 1.78% of the circulating market value [1].