证券日报网讯12月26日，久之洋（300516）在互动平台回答投资者提问时表示，公司未通过任何渠道发 布或披露"公司通过工艺优化将星载光纤放大器生产周期缩短一半、成本降低25%"相关信息。 ...

投资者提问： 公司通过工艺优化，将星载光纤放大器的生产周期缩短一半、成本降低 25%。这种成本优势能否在激 烈的市场竞争中保持？公司的量产能力如何？ 董秘回答(久之洋SZ300516)： 登录新浪财经APP 搜索【信披】查看更多考评等级 免责声明：本信息由新浪财经从公开信息中摘录，不构成任何投资建议；新浪财经不保证数据的准确 性，内容仅供参考。 尊敬的投资者您好！感谢您对公司的关注。关于您提及的"公司通过工艺优化将星载光纤放大器生产周 期缩短一半、成本降低25%"相关内容，公司未通过任何渠道发布或披露该信息。公司相关经营情况及 核心数据均严格按照监管要求通过法定信息披露渠道对外发布，敬请广大投资者以公司在深交所及巨潮 资讯网等指定平台披露的公告为准，理性投资，谨防不实信息误导。感谢您的关注与支持！查看更多董 秘问答>> ...

Group 1: Market Activity - 28 stocks had closing orders exceeding 100 million yuan today, indicating strong market interest [1] - The top five stocks by closing order volume were Mingpai Jewelry (439,600 hands), Xinhua Du (415,800 hands), GAC Group (407,800 hands), Shida Group (394,600 hands), and Leike Defense (280,300 hands) [2] - In terms of closing order funds, the leading stocks were Changcheng Military Industry (482 million yuan), Xinhua Du (371 million yuan), GAC Group (341 million yuan), and Pinggao Group (323 million yuan) [2] Group 2: Company Performance - A company reported a decline in single-quarter revenue for Q3, but overall revenue for the first three quarters still showed year-on-year growth, attributed to changes in product delivery schedules and sales structure [3] - The company emphasized its commitment to achieving annual operational goals by focusing on delivery progress in Q4 [3] Group 3: Industry Trends - The commercial aerospace sector experienced a surge in stock prices, with several companies like Aerospace Changfeng, Leike Defense, and China Marine Defense seeing significant gains [4] - Companies such as Tianjian Technology and Zhongtian Rocket are involved in key projects and have established strong positions in the commercial aerospace market [4] - The shipbuilding sector also saw stocks like Jiuzhiyang and China Marine Defense rise, benefiting from state-owned enterprise reforms and asset integration expectations [5][6] Group 4: Investment Activity - Five stocks on the Dragon Tiger List had net purchases exceeding 100 million yuan, with BlueFocus, Province Wide Group, and Huasheng Tiancai leading the way [6] - Institutional net purchases were notable in stocks like Dazhong Mining and Delijia, indicating strong institutional interest [6]

Group 1: Market Overview - Today, 28 stocks had a closing limit order amount exceeding 100 million yuan, indicating strong market interest [1] - The top five stocks with limit order volume exceeding 200,000 hands include Mingpai Jewelry, Xinhua Du, GAC Group, Shida Group, and Leike Defense, with volumes of 439,600, 415,800, 407,800, 394,600, and 280,300 hands respectively [1][3] - Continuous limit-up stocks include Zhongshui Fishery with 7 consecutive limit-ups, while *ST Suwu, Guofeng New Materials, and Meng Tian Home achieved 4 consecutive limit-ups [1] Group 2: Individual Stock Performance - Changcheng Military Industry closed at 57.43 yuan per share with a total market value of 41.592 billion yuan, reporting a single-quarter revenue decline but overall revenue growth year-on-year [2] - Xinhua Du closed at 8.92 yuan with a limit order volume of 415,800 hands and a limit order amount of 371 million yuan, driven by AI e-commerce and cross-border retail [3] - GAC Group closed at 8.36 yuan with a limit order volume of 407,800 hands and a limit order amount of 341 million yuan, benefiting from solid-state batteries and humanoid robots [3] Group 3: Sector Highlights - The commercial aerospace sector has seen a surge in limit-up stocks, including Aerospace Changfeng, Leike Defense, and China Marine Defense, indicating strong investor interest in this area [5][6] - Companies like Tianjian Technology and Zhongtian Rocket are positioned well within the commercial aerospace market, with significant contracts and technological advancements [5] - China Marine Defense is recognized for its comprehensive research and production capabilities in underwater electronic defense equipment, highlighting its strategic importance in the defense sector [6]