Core Viewpoint - The A-share market experienced a strong rebound on November 25, with major indices rising significantly, particularly the ChiNext index which saw an intraday increase of over 3% [1][2]. Market Performance - By midday, the Shanghai Composite Index rose by 1.13%, the Shenzhen Component Index increased by 2.04%, and the ChiNext Index was up by 2.60% [2]. - The Hong Kong market also showed strength, with the Hang Seng Index briefly surpassing the 26,000-point mark [1][13]. Sector Performance - The communication sector led the gains, with the index rising over 5% at one point. Notable stocks included Dekoli and Guangku Technology, both hitting the 20% limit up, along with several others achieving significant gains [4][6]. - The electronics sector also performed well, with an intraday increase exceeding 3%. Key stocks included Changguang Huaxin, which rose by 20%, and Tengjing Technology, which saw gains of over 14% [6][8]. New Listings - A new stock, Hai'an Group, debuted with an impressive rise of over 100% at one point during the trading session. The company specializes in the research, production, and sales of giant all-steel engineering tires [9][12]. Notable Stocks - In the communication sector, stocks like Dingxin Communications and Shida Group also saw significant increases, with multiple stocks hitting their daily limit up [4][6]. - In the electronics sector, stocks such as Haoli Technology and Huhua Electronics achieved limit-up status, reflecting strong investor interest [8]. Other Market Movements - The media sector showed notable gains, with stocks like Huanrui Century and Xinhua Group achieving consecutive limit-up days [8]. - Other sectors, including non-ferrous metals, comprehensive services, and power equipment, also saw increases of over 2% [8].

Core Viewpoint - The article highlights a trend of decreasing shareholder accounts among 467 companies, indicating a concentration of shares, with some companies experiencing continuous declines for up to 10 periods [1][2]. Group 1: Shareholder Account Trends - 60 companies have reported a continuous decrease in shareholder accounts for more than three periods, with the most significant decline being 38.45% for Rundou Co., which has seen a decrease for 10 consecutive periods [1]. - Mingpai Jewelry also experienced a 30.49% decline in shareholder accounts over 10 periods, with the latest count at 28,500 [1]. - Other companies with notable declines include Yihua New Materials and *ST Huike, among others [1]. Group 2: Market Performance - Among the companies with decreasing shareholder accounts, 13 have seen their stock prices rise, while 47 have experienced declines, with Allianz Ruishi, Boying Special Welding, and Lijun Thermal Energy showing the highest increases of 30.34%, 14.79%, and 13.84%, respectively [2]. - 15 companies outperformed the Shanghai Composite Index during this period, with Allianz Ruishi achieving a relative return of 29.90% [2]. Group 3: Industry and Sector Analysis - The industries with the highest concentration of companies experiencing declining shareholder accounts include machinery, automotive, and public utilities, with 8, 6, and 5 companies, respectively [2]. - The distribution of these companies shows that 37 are listed on the main board, 22 on the ChiNext, and 1 on the Sci-Tech Innovation Board [2]. Group 4: Institutional Activity - In the past month, 11 companies with decreasing shareholder accounts have been subject to institutional research, with Boying Special Welding, Shuanghui Development, and Changhua Group receiving the most attention, with 12, 2, and 2 research instances, respectively [2]. - The companies with the highest number of participating institutions in research include Boying Special Welding (164 institutions), Bozhong Precision Engineering (43), and Yingli Co. (36) [2].

Core Insights - The company announced the establishment of a wholly-owned subsidiary, Qingdao Dingxin Zhidian Energy Storage Technology Co., Ltd., to meet strategic development and operational needs [1] - The registered capital of the new subsidiary is RMB 5 million [1] - The wholly-owned subsidiary, Qingdao Zhidian New Energy Technology Co., Ltd., holds 100% equity in the newly established company [1] - The new subsidiary has completed the business registration process and obtained a business license [1]

Core Viewpoint - The company has completed internal verification of its self-developed electrolyte and membrane technology, but commercial application will take more time [1] Group 1 - The company's electrolyte and membrane technology has undergone successful internal validation [1] - Systematic debugging of the technology is still being optimized [1] - Commercialization of the technology is not expected to occur immediately [1]

证券代码：603421 证券简称：鼎信通讯 公告编号：2025-061 青岛鼎信通讯股份有限公司 关于投资设立全资孙公司并取得营业执照的公告 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、准确性和完整性承担法律责任。 重要内容提示： 投资标的名称：青岛鼎信智电储能科技有限公司（以下简称"标的公司"） 投资金额：标的公司注册资本为人民币 500 万元，公司全资子公司青岛 智电新能科技有限公司持有标的公司 100%股权。 风险提示：标的公司相关业务尚未开展，在未来经营过程中可能受到宏 观经济、行业政策变化、市场竞争、经营管理等因素影响导致投资收益存在不确 定性的风险。 本次对外投资事项不涉及关联交易，也不构成《上市公司重大资产重组管理 办法》规定的重大资产重组。 1 二、标的公司的基本情况 （一）公司名称：青岛鼎信智电储能科技有限公司 （二）统一社会信用代码：91370202MAK10GWYXJ 一、对外投资概述 因战略发展及实际经营需要，青岛鼎信通讯股份有限公司（以下简称"公司"） 全资子公司青岛智电新能科技有限公司在青岛市设立全资子公司青岛鼎信智电 储能 ...

Core Viewpoint - The company has completed internal verification of its self-developed electrolyte and separator technology, but commercial application will take more time [1] Group 1 - The electrolyte and separator technology has undergone successful internal validation [1] - Systematic debugging of the technology is still being optimized [1] - Commercialization of the technology is not expected to occur immediately [1]

青岛鼎信通讯股份有限公司 简式权益变动报告书 上市公司名称：青岛鼎信通讯股份有限公司 股票上市地点：上海证券交易所 股票简称：鼎信通讯 股票代码：603421 信息披露义务人：曾繁忆 住所及地址：山东省青岛市市南区****** 权益变动性质：本次权益变动是由解除《一致行动协议》所引起，不涉及持股数 量的变动 签署日期：2025 年 11 月 14 日 1 / 13 信息披露义务人声明 2 / 13 | 第一节 释义 ··············· 4 | | --- | | 第二节 信息披露义务人介绍 | | 第三节 权益变动目的 . | | 第四节 权益变动方式 | | 第五节 前六个月内买卖上市公司股份的情况 | | 第六节 其他重大事项 | | 第七节 备查文件 | 第一节 释义 | 上市公司/公司/鼎 | 指 | 青岛鼎信通讯股份有限公司 | | --- | --- | --- | | 信通讯 | | | | 信息披露义务人 | 指 | 曾繁忆 | | 本报告书 | 指 | 青岛鼎信通讯股份有限公司简式权益变动报告书 | | 公司法 | 指 | 中华人民共和国公司法 | | 证券法 | 指 | 中华人 ...

青岛鼎信通讯股份有限公司 股票代码：603421 信息披露义务人：王建华 住所及地址：山东省青岛市城阳区****** 权益变动性质：本次权益变动是由解除《一致行动协议》所引起，不涉及持股数 量的变动 签署日期：2025 年 11 月 14 日 1 / 13 简式权益变动报告书 上市公司名称：青岛鼎信通讯股份有限公司 股票上市地点：上海证券交易所 股票简称：鼎信通讯 信息披露义务人声明 一、信息披露义务人依据《中华人民共和国公司法》《中华人民共和国证券 法》《上市公司收购管理办法》《公开发行证券的公司信息披露内容与格式准则 第 15 号——权益变动报告书》及相关法律、法规编写本报告书。 二、信息披露义务人签署本报告书已获得必要的授权和批准，其履行亦不违 反信息披露义务人章程或内部规则中的任何条款，或与之相冲突。 三、依据《中华人民共和国证券法》《上市公司收购管理办法》的规定，本 报告书已全面披露信息披露义务人在青岛鼎信通讯股份有限公司（以下简称"鼎 信通讯"）中拥有权益的股份变动情况。 截至本报告书签署日，除本报告书披露的信息外，信息披露义务人没有通过 任何其他方式增加或减少其在鼎信通讯中拥有权益的股份。 四、 ...

格隆汇11月14日丨鼎信通讯（维权）(603421.SH)公布，公司控股股东、实际控制人曾繁忆先生和王建 华先生解除《一致行动协议》。《一致行动协议》解除后，相关股东直接控制的公司股份数量和比例保 持不变，曾繁忆先生直接持有公司176,189,440股股份，占公司总股本比例为27.02%；王建华先生直接 持有公司91,574,884股股份，占公司总股本比例为14.04%；相关股份将不再合并计算。《一致行动协 议》解除后，公司实际控制人将由曾繁忆先生和王建华先生变更为曾繁忆先生一人。 ...

北京德和衡律师事务所 B E I J I N G D H H L A W F I R M 北京德和衡律师事务所 关于青岛鼎信通讯股份有限公司 相关股东解除一致行动协议暨实际控制人变更 的法律意见书 德和衡证律意见（2025）第641号 中国北京市朝阳区建国门外大街 2 号银泰中心 C 座 12 层 B E I J I N G D H H L A W F I R M Tel：010-85407666 邮编：100022 www.deheng.com.cn 北京德和衡律师事务所 关于青岛鼎信通讯股份有限公司 相关股东解除一致行动协议暨实际控制人变更 的法律意见书 德和衡证律意见（2025）第 641 号 北京德和衡律师事务所(以下简称"本所")接受青岛鼎信通讯股份有限公司(以下简称"公 司"或"鼎信通讯")委托，根据《中华人民共和国公司法》(以下简称"《公司法》")、《中 华人民共和国证券法》(以下简称"《证券法》")、《上市公司收购管理办法》(以下简称"《收 购管理办法》")、《上海证券交易所股票上市规则》(以下简称"《股票上市规则》")等法 律、法规和其他规范性文件以及《青岛鼎信通讯股份有限公司章程》(以下简 ...