Group 1 - The CPO concept stocks in the A-share market continue to perform strongly, with notable gains from several companies [1] - Changxin Bochuang saw an increase of over 13%, while Hengtong Optic-Electric and Changfei Optical Fiber hit the 10% limit up, and Zhongtian Technology rose over 7% [1] - New Yisheng and Fenghuo Communication both increased by over 6%, with several other companies also showing significant gains [1] Group 2 - Changfei Optical Fiber and New Yisheng reached historical highs [1] - The following companies reported their market performance: - Changxin Bochuang: 13.70% increase, market cap of 46.2 billion, YTD increase of 241.58% [2] - Hengtong Optic-Electric: 10.02% increase, market cap of 64.5 billion, YTD increase of 54.12% [2] - Changfei Optical Fiber: 10.00% increase, market cap of 105.2 billion, YTD increase of 326.84% [2] - Zhongtian Technology: 7.13% increase, market cap of 67.2 billion, YTD increase of 40.37% [2] - New Yisheng: 6.23% increase, market cap of 458.6 billion, YTD increase of 461.11% [2] - Fenghuo Communication: 6.16% increase, market cap of 39.8 billion, YTD increase of 51.81% [2] - Yongding Co.: 5.59% increase, market cap of 31.2 billion, YTD increase of 333.63% [2] - Huagong Technology: 5.64% increase, market cap of 79.7 billion, YTD increase of 83.82% [2] - Jingwang Electronics: 5.39% increase, market cap of 69.5 billion, YTD increase of 159.66% [2] - Zhongji Xiangchuang: 5.32% increase, market cap of 669 billion, YTD increase of 389.95% [2] - The MACD golden cross signal has formed, indicating a positive trend for these stocks [1]

Investment Rating - The report assigns an "Accumulate" rating for the controllable nuclear fusion industry [5]. Core Insights - The controllable nuclear fusion industry is experiencing a significant acceleration in bidding, with major contracts focusing on components such as magnets and power supplies. The total amount of contracts awarded has exceeded 1 billion RMB [3][4]. - Trump Media Technology has announced a final merger agreement with TAE Technologies, valued at over 6 billion USD, aimed at building large fusion power plants to meet energy demands driven by artificial intelligence [4][18]. - The U.S. Department of Energy has invested 87 million USD to promote the application of artificial intelligence in fusion energy research, indicating a strong governmental push towards technological advancements in this field [24]. Summary by Sections Market Performance - During the week of December 15-19, the nuclear fusion index fell by 0.59%, underperforming the broader market by 0.62 percentage points [8][11]. Bidding and Contract Information - The report highlights that the bidding activity has significantly increased, with major contracts awarded primarily for magnets and power supplies. Notable companies involved in recent contracts include Aike Saibo and Qifan Cable [4][10]. Domestic and International News - Gyro Swin, an AI tool developed by a research team, has achieved a 1000-fold increase in the speed of 5D plasma modeling, reducing computation time from days to seconds [13]. - Thea Energy has unveiled the Helios concept design for a commercial fusion power station, which aims to simplify the manufacturing of complex magnetic fields necessary for plasma confinement [16][17]. Investment Dynamics - The merger between Trump Media Technology and TAE Technologies is expected to facilitate the construction of the first utility-scale fusion power plant, with an initial capacity of 50 MW and plans for future expansion [19][23]. - The report emphasizes the importance of focusing on key components such as magnets, power supplies, and other critical systems within the controllable nuclear fusion sector, identifying several key domestic suppliers [27].

Core Insights - The fusion energy sector is experiencing a significant surge, driven by a merger between Trump Media & Technology Group and a fusion energy company supported by Alphabet, valued at over $6 billion [1] - The International Energy Agency predicts that the global fusion market could approach $500 billion by 2030, indicating strong growth potential in the industry [1] Market Sector Analysis - **Superconducting Materials Sector**: The demand for high-performance superconducting magnets will increase significantly, benefiting companies capable of engineering production of NbTi superconducting wires and high-temperature superconducting tapes [2] - **High-end Equipment Manufacturing Sector**: Companies with capabilities in heavy equipment and system integration will see new orders due to the complex manufacturing processes involved in fusion devices [2] - **Specialized Power and Energy Storage Sector**: There will be a surge in demand for specialized power supplies and high-power capacitors necessary for fusion reactions, presenting market expansion opportunities for related suppliers [2] - **Key Materials and Components Sector**: Suppliers of critical components such as tungsten-based filters and high-temperature alloys are expected to receive high-value orders essential for the stable operation of fusion devices [2] - **Engineering Construction and System Integration Sector**: Companies with nuclear engineering experience will play a crucial role in the construction of fusion power plants as demonstration and commercial reactors are developed [2] Company Overview - **West Superconductor (688122)**: The only domestic supplier of low-temperature superconducting wires for the ITER project, focusing on high-performance superconducting wire research and industrialization [3] - **Dongfang Electric (600875)**: The sole domestic manufacturer of superconducting coils for ITER, providing core equipment such as magnet support systems and vacuum vessels [3] - **Antai Technology (000969)**: Supplies key components like tungsten-copper composite filters for EAST and ITER, holding a leading global position in the all-tungsten filter field [3] - **Guoguang Electric (688776)**: A leader in vacuum equipment for the nuclear industry, providing products for plasma control in EAST and vacuum testing equipment for CFETR [3] - **Xue Ren Group (002639)**: Engaged in hydrogen energy and fusion tritium circulation systems, focusing on low-temperature refrigeration and compressor technology, recently gaining market attention [3] - **Yongding Co., Ltd. (600105)**: High-temperature superconducting tapes are already applied in fusion magnets and superconducting induction heating, advancing the use of high-current superconducting materials in fusion reactors [3]

格隆汇12月19日丨永鼎股份(600105.SH)公布,2025年12月19日，公司收到永鼎集团发来的《关于提前终 止减持计划暨减持结果的告知函》，永鼎集团自2025年10月21日至2025年12月11日期间，通过集中竞价 交易方式共计减持1461.45万股，占公司总股本的1.00%；通过大宗交易方式共计减持435.25万股，占公 司总股本的0.297%，合计减持公司股份1896.7万股。基于对公司发展的信心和公司内在价值的判断，永 鼎集团决定提前终止减持计划。 ...

(本文来自第一财经) 永鼎股份公告，公司控股股东永鼎集团有限公司决定提前终止减持计划。永鼎集团自2025年10月21日至 12月11日期间，通过集中竞价和大宗交易方式共减持公司股份18967023股，占公司总股本的1.297%， 减持价格区间为13.66～18.17元/股。原计划减持不超过43859700股，即不超过公司总股本的3%。永鼎 集团基于对公司发展的信心和内在价值的判断，决定提前终止减持计划。 ...

证券代码：600105 证券简称：永鼎股份 公告编号：临 2025-071 江苏永鼎股份有限公司 关于控股股东提前终止减持计划暨减持股份结果公 告 本公司董事会、全体董事及相关股东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： 大股东持股的基本情况 本次减持计划实施前，江苏永鼎股份有限公司(以下简称"公司")控股股东 永鼎集团有限公司(以下简称"永鼎集团")持有公司无限售条件流通股 382,618,695 股，占公司股份总数的 26.171%。与一致行动人莫林弟先生合计持 有公司股份 383,129,751 股，占公司总股本 26.206%。 减持计划的实施结果情况 公司于 2025 年 9 月 18 日披露了《江苏永鼎股份有限公司控股股东减持股份 计划公告》（公告编号：临 2025-050），永鼎集团因自身资金需求，计划自 2025 年 10 月 17 日至 2026 年 1 月 16 日期间，通过集中竞价、大宗交易方式合计减持 公司股份不超过 43,859,700 股，即不超过公司总股本的 3%；其中，采取集中竞 价交易方式减持 ...

南财智讯12月19日电，永鼎股份公告，公司控股股东永鼎集团有限公司因自身资金需求，于2025年10月 21日至12月11日期间，通过集中竞价和大宗交易方式合计减持公司股份18,967,023股，占公司总股本的 1.297%，减持价格区间为13.66～18.17元/股，累计减持金额约3.02亿元。本次减持后，永鼎集团及其一 致行动人合计持股比例由26.206%降至24.874%。基于对公司发展的信心和内在价值的认可，永鼎集团 决定提前终止原定减持计划。 ...

Core Viewpoint - The article discusses the performance of the Zhongzheng 2000 ETF Enhanced (159556), highlighting its opening price and the performance of its major holdings, along with its return metrics since inception and over the past month [1]. Group 1: ETF Performance - Zhongzheng 2000 ETF Enhanced (159556) opened at 1.154 yuan, experiencing a decline of 0.94% [1]. - Since its inception on December 27, 2023, the fund has achieved a return of 16.09% [1]. - The fund's return over the past month is reported at -3.86% [1]. Group 2: Major Holdings - Major holdings in the ETF include Huajian Group, which opened unchanged at 0.00%, and Dekeli, which increased by 0.06% [1]. - Other notable stock performances include Xuguang Electronics down by 0.06%, Beihua Co. up by 0.43%, and Xinke Materials down by 1.25% [1]. - The top performer among the holdings is Yongding Co., which increased by 1.48% [1].

Group 1 - The superconducting concept sector experienced a decline of 3.32%, ranking among the top declines in concept sectors, with companies like Jingda Co., China Uranium, and others hitting the daily limit down [1][2] - Among the superconducting concept stocks, the largest net outflow of main funds was from China Uranium, with a net outflow of 899.5 million yuan, followed by Jingda Co. and Yongding Co. with net outflows of 420.5 million yuan and 412.5 million yuan respectively [3][4] - The only stocks in the superconducting concept that saw an increase were Bofei Electric and Wandong Medical, with increases of 10.02% and 0.19% respectively [1][3] Group 2 - The main funds in the superconducting concept sector saw a net outflow of 3.053 billion yuan today, with 23 stocks experiencing net outflows, and 8 stocks seeing outflows exceeding 100 million yuan [3] - The trading volume for China Uranium was notably high, with a turnover rate of 43.27% and a price drop of 10% [3][4] - Bofei Electric led the net inflow of main funds in the superconducting concept with an inflow of 58.35 million yuan, while other notable inflows included Jiugang Hongxing and Yubang New Materials [3][4]

永鼎股份(600105.SH)发布投资者关系活动记录表公告称，永鼎股份旗下东部超导推出的HF1200系列高 性能REBCO超导带材，已实现单根千米级批量化制备（最大长度1435米）。经测试，在20K/20T（垂直 场B∥c）条件下，4mm带宽材临界电流Ic达435A，换算至12mm带宽后Ic高达1305A，这一突破标志着公 司在强场应用领域的产业化能力迈入新阶段。该成果验证了HF1200系列带材优异的磁通钉扎性能与强 场适应性，为其在磁约束可控核聚变等前沿领域的规模化应用提供了坚实支撑。永鼎股份通过"光通信 +超导"双轮驱动，依托IDM模式与全产业链布局，在高端光芯片与超导带材领域构建了显著的技术壁垒 与市场竞争力。未来，公司将持续加大研发投入与产能扩张，把握AI算力与可控核聚变等战略机遇， 推动新质生产力加速落地。 ...