长城军工10.0%涨停，总市值500.95亿元

Group 1 - The core viewpoint of the news is that Changcheng Military Industry has seen a significant stock price increase, reaching a 10.0% limit up, with a trading volume of 7.099 billion yuan and a market capitalization of 50.095 billion yuan [1] - Changcheng Military Industry is a high-tech company based in Hefei, Anhui Province, specializing in the research, production, and sales of military ammunition, and is the first company in China to be publicly listed with military ammunition as its main business [1] - The company maintains a leading position in the local military industry and actively promotes military-civilian integration strategies, focusing on the research and development of advanced weaponry and industrial upgrades [1] Group 2 - As of March 31, Changcheng Military Industry had 61,200 shareholders, with an average of 11,800 circulating shares per shareholder [2] - For the first quarter of 2025, the company achieved an operating income of 148 million yuan, representing a year-on-year growth of 5.09%, while the net profit attributable to shareholders was -54.2534 million yuan, a decrease of 55.14% year-on-year [2]