Market Performance - The A-share market indices collectively rose during the week of December 1 to December 5, with the Shanghai Composite Index closing at 3902.81 points, up 0.70% for the week [1] - The Shenzhen Component Index closed at 13147.68 points, up 1.08%, and the ChiNext Index closed at 3109.30 points, up 1.36% [1] - A total of 1818 stocks rose while 464 stocks fell during the week, with 87 stocks rising over 15% and 17 stocks falling over 15% [1] Sector Performance - The aerospace equipment, industrial metals, and engineering machinery sectors led the gains, with increases of 10.42%, 9.14%, and 5.86% respectively on December 5 [1] - Conversely, the advertising marketing, digital media, and decoration sectors saw declines of -6.99%, -6.70%, and -3.55% respectively [1] Top Performing Stocks - The top-performing stock, Jiarong Technology (301148.SZ), achieved a weekly increase of 67.18%, followed by Zhaobiao Co. (301136.SZ) with a 58.43% rise [1][2] - Other notable gainers included Haiwang Biological (000078.SZ) and Aerospace Development (000547.SZ), both with weekly increases exceeding 52% [1] Local Stock Activity - Jiarong Technology, a local environmental protection company, specializes in membrane separation technology and has seen significant stock performance [2] - The local stocks in Fujian experienced a surge, with multiple companies hitting their daily price limits, including Hai Xin Food and An Ji Food [2] Policy Support - Fujian province has implemented new policies to support cross-strait integration and development, including measures to enhance the operational environment for Taiwanese enterprises [3][4] - Specific measures include increasing land and sea guarantees for Taiwanese businesses and optimizing tax services for Taiwanese enterprises [3] Financial Performance - The Fujian sector reported a total net profit of 206.36 billion yuan for the first three quarters of the year, reflecting a year-on-year growth of 22.73% compared to 168.14 billion yuan in the same period last year [5] Underperforming Stocks - The worst-performing stock, *ST Lifang (300344.SZ), saw a weekly decline of 48.21%, attributed to financial misconduct and impending delisting risks [5][6] - The company has faced significant penalties for inflating revenue figures and is under investigation for serious violations of securities laws [6][7]

《科创板日报》12月5日讯 今日科创板早报主要内容有：商务部：中国政府依法依规开展稀土相关物项 出口管制；中国贸促会会长任鸿斌率团出席美国半导体行业协会；巴西：TikTok将在巴投建其在拉美地 区首座数据中心。 《科创板日报》主播小K为您播报。 市场动态 商务部：中国政府依法依规开展稀土相关物项出口管制 今天下午，商务部召开例行新闻发布会，新闻发言人就开展稀土相关物项出口管制进行了回应。商务部 新闻发言人何亚东：中国政府依法依规开展稀土相关物项的出口管制工作，据我所知，只要是用于民用 用途的，合规的出口申请，中国政府都及时予以了批准。同时，中国政府积极适用通用许可等便利化措 施，促进两用物项合规贸易，切实维护全球产供链的安全稳定。 中国贸促会会长任鸿斌率团出席美国半导体行业协会及会员企业座谈会 据中国贸易报，12月3日，中国贸促会会长任鸿斌率中国企业家代表团出席美国半导体行业协会及会员 企业座谈会，与美国半导体行业协会总裁兼首席执行官诺伊弗就推动中美半导体领域合作、深化多边领 域合作、维护全球产业链供应链稳定畅通等议题深入交流。美国半导体行业协会全球政策副总裁桑顿， 以及高通公司、格芯公司、安森美半导体公司、 ...

（文章来源：证券日报） 证券日报网讯 12月4日晚间，昀冢科技发布公告称，公司股票于2025年12月2日、12月3日、12月4日连 续三个交易日内收盘价格跌幅偏离值累计达到30%。根据《上海证券交易所交易规则》《上海证券交易 所科创板股票异常交易实时监控细则》的有关规定，属于股票交易异常波动情形。经公司自查并向控股 股东及实际控制人核实，截至本公告披露日，除已按规定披露的事项外，公司不存在应披露而未披露的 重大事项。 ...

Core Viewpoint - The stock of Yunzhong Technology (688260.SH) experienced a significant decline, with a cumulative drop of 30% over three consecutive trading days, indicating abnormal trading fluctuations as per Shanghai Stock Exchange regulations [1] Company Overview - Yunzhong Technology is primarily engaged in the research, design, production, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business remains unchanged, focusing on consumer electronics, particularly in the production of voice coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] - Major clients for the company's consumer electronics products include leading smartphone brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1] Disclosure and Compliance - The company conducted a self-examination and confirmed with its controlling shareholder and actual controller that, as of the announcement date, there are no undisclosed significant matters apart from those already disclosed [1]

Core Viewpoint - The stock of Yunzhong Technology (688260.SH) experienced a significant price drop, with a cumulative decline of 30% over three consecutive trading days, indicating abnormal trading fluctuations [1] Company Overview - Yunzhong Technology is primarily engaged in the research, design, production, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business remains unchanged, focusing on consumer electronics, particularly in the production of voice coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] Clientele and Applications - The consumer electronics products are mainly applied in the smartphone camera sector, serving major brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1] Disclosure and Compliance - The company conducted a self-inspection and confirmed with its controlling shareholder and actual controller that, as of the announcement date, there are no undisclosed significant matters apart from those already disclosed [1]

证券代码：688260 证券简称：昀冢科技 公告编号：2025-045 苏州昀冢电子科技股份有限公司 股票交易异常波动公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈 述或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： ● 苏州昀冢电子科技股份有限公司（以下简称"公司"）股票于2025年12月2 日、12月3日、12月4日连续三个交易日内收盘价格跌幅偏离值累计达到30%。根据 《上海证券交易所交易规则》《上海证券交易所科创板股票异常交易实时监控细则》 的有关规定，属于股票交易异常波动情形。 ● 经公司自查并向控股股东及实际控制人核实，截至本公告披露日，除已按规定 披露的事项外，公司不存在应披露而未披露的重大事项。 ● 公司主要从事消费电子及电子陶瓷、汽车电子等领域产品的研发、设计、生产 制造和销售。其中，消费电子业务为公司主营业务，公司消费电子产品主要应用在智 能手机摄像头中的音圈马达VCM和摄像头模组CCM中，终端应用于华为、小米、OPPO、 VIVO、荣耀等主流品牌智能手机，目前公司的主营业务未发生变化。敬请投资者注意 投资风险。 ● 截至2025年 ...

Core Viewpoint - The stock of Yunzhong Technology experienced an abnormal trading fluctuation, with a cumulative decline of 30% over three consecutive trading days from December 2 to December 4, 2025 [1] Company Overview - Yunzhong Technology is primarily engaged in the research, design, manufacturing, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business remains unchanged, focusing on consumer electronics, particularly in the production of voice coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] Key Clients - The consumer electronics products are primarily applied in smartphones from major brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1]

Core Viewpoint - Yunzong Technology (688260) announced on December 4 that its stock experienced abnormal trading fluctuations, with a cumulative decline of 30% over three consecutive trading days [1] Company Overview - Yunzong Technology primarily engages in the research, design, production, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business is focused on consumer electronics, specifically audio coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] - The end applications of the company's consumer electronic products include major smartphone brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1] - There has been no change in the company's main business operations [1]

Core Viewpoint - Yunzhu Technology (688260.SH) focuses on the research, design, manufacturing, and sales of products in the consumer electronics and electronic ceramics, as well as automotive electronics sectors [1] Group 1: Business Overview - The company primarily engages in the consumer electronics business, which is its main revenue source [1] - Yunzhu Technology's consumer electronic products are mainly used in the voice coil motors (VCM) and camera modules (CCM) of smartphone cameras [1] Group 2: Clientele - The end applications of the company's products include major smartphone brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1]

Core Viewpoint - The company announced that its stock price experienced an abnormal fluctuation, with a cumulative decline of 30% over three consecutive trading days from December 2 to December 4, 2025 [1] Group 1: Stock Performance - The closing price on December 4 was 33.90 yuan per share, indicating significant short-term volatility [1] - The turnover rates for December 2, 3, and 4 were 20.04%, 24.19%, and 13.77% respectively, which are significantly higher than previous periods [1] Group 2: Business Operations - The company primarily operates in the consumer electronics sector, which remains its main business focus [1] - The company confirmed that there are no undisclosed significant matters apart from those already disclosed [1]