| 代码 | 简称 | 今日涨跌幅（%） | 今日换手率（%） | 主力资金流量（万元） | | --- | --- | --- | --- | --- | | 300433 | 蓝思科技 | 14.95 | 5.47 | 158110.35 | | 300102 | 乾照光电 | 20.01 | 20.59 | 125685.58 | | 300136 | 信维通信 | 15.43 | 24.08 | 63476.21 | | 688270 | 臻镭科技 | 20.00 | 14.32 | 58525.62 | | 603920 | 世运电路 | 9.99 | 6.01 | 43272.83 | | 600703 | 三安光电 | 5.75 | 5.47 | 42689.06 | | 603078 | 江化微 | 10.00 | 23.74 | 37576.97 | | 000100 | TCL科技 | 2.85 | 5.58 | 34406.06 | | 002185 | 华天科技 | 3.10 | 14.24 | 31146.62 | | 002049 | 紫光国微 | 3.41 | 6.12 | 28 ...

Group 1 - The Tonghuashun Overseas 50 concept index declined by 0.13%, with notable declines in stocks such as Industrial Fulian, Huadian Co., and Shenghong Technology [1] - Among the stocks in the index, 23 experienced price increases, with Jin Feng Technology, Weichai Power, and Aikodi leading the gains at 10.00%, 5.10%, and 2.60% respectively [1] - The BC battery concept saw the highest increase of 8.56%, while the corn concept experienced a slight decline of 0.14% [1] Group 2 - The net outflow of main funds from the Tonghuashun Overseas 50 concept was 7.677 billion yuan, with 27 stocks experiencing net outflows [1] - Industrial Fulian had the largest net outflow of 2.473 billion yuan, followed by Sanhua Intelligent Control and Huadian Co. with net outflows of 2.084 billion yuan and 1.513 billion yuan respectively [1] - Stocks with the highest net inflows included Jin Feng Technology, Weichai Power, and Luoyang Molybdenum, attracting net inflows of 2.049 billion yuan, 474 million yuan, and 264 million yuan respectively [1] Group 3 - The trading volume for Industrial Fulian was 1.02%, with a price drop of 4.21% and a net outflow of 2.473 billion yuan [2] - Jin Feng Technology had a trading volume of 10.37%, with a significant price increase of 10.00% and a net inflow of 2.049 billion yuan [3] - Weichai Power recorded a trading volume of 4.03%, with a price increase of 5.10% and a net inflow of 474 million yuan [3]

Group 1 - The core viewpoint of the article highlights the impressive performance of fund manager Ren Jie, who achieved a 233% annual return in 2025, and his latest portfolio reveals new investments and adjustments in holdings [1][2] - Ren Jie's top ten holdings include new positions in Dongshan Precision, Jingwang Electronics, Industrial Fulian, and Cambridge Technology, while he increased stakes in Shengyi Technology, Huadian Shares, Xinyi Technology, Shenzhen South Circuit, and Tianfu Communication, and reduced his position in Zhongji Xuchuang [1][2] - The report indicates that Ren Jie remains optimistic about AI, focusing on global cloud computing investments, and notes the performance of various indices during the fourth quarter of 2025 [2] Group 2 - The AI industry is experiencing a significant leap due to the launch of new multimodal models by leading companies, showcasing unique advantages in model iteration efficiency and application capabilities [3] - The application ecosystem is transitioning from scale expansion to structural upgrades, with a focus on user segmentation, differentiated capabilities, and deeper service offerings in high-barrier verticals like healthcare and enterprise-level applications [4] - The global AI model industry is in a phase of continuous capability enhancement and expanding application scenarios, indicating strong sustainability and certainty in development [5]

凯石澜龙头经济持有期混合（006430）基金经理为李琛、许迟。 截至发稿，李琛累计任职时间324天，现任基金资产总规模1.58亿元，任职期间最佳基金回报12.28%， 任职期间最差基金回报1.53%。 许迟累计任职时间138天，现任基金资产总规模1.15亿元，任职期间最佳基金回报16.48%， 任职期间最 差基金回报16.48%。 声明：市场有风险，投资需谨慎。 本文基于第三方数据库自动发布，任何在本文出现的信息（包括但 不限于个股、评论、预测、图表、指标、理论、任何形式的表述等）均只作为参考，不构成个人投资建 议。受限于第三方数据库质量等问题，我们无法对数据的真实性及完整性进行分辨或核验，因此本文内 容可能出现不准确、不完整、误导性的内容或信息，具体以公司公告为准。如有疑问，请联系 biz@staff.sina.com.cn。 1月23日，沪电股份跌5.06%，截至发稿，报72.48元/股，成交38.57亿元，换手率2.71%，总市值1394.78 亿元。 资料显示，沪士电子股份有限公司位于江苏省昆山市玉山镇东龙路1号,香港铜锣湾勿地臣街1号时代广 场2座31楼，成立日期1992年4月14日，上市日期201 ...

Core Insights - The 2025 annual performance of AI-themed funds has drawn market attention, with significant adjustments in their holdings during the reporting period [1] - There is a divergence among fund managers regarding investment opportunities in the AI sector for 2026, despite some funds experiencing substantial net value increases due to their investments in AI application stocks [9] Fund Adjustments - The top-performing active equity funds have made considerable adjustments to their AI asset holdings, with some funds increasing their positions in leading companies while others have reduced their stakes [1][4] - For instance, the fund Yongying Technology Select increased its holdings in Dongshan Precision, Jingwang Electronics, and others, while reducing its stake in Zhongji Xuchuang [1][4] - The fund Zhongou Digital Economy has also shifted its focus, increasing investments in domestic AI and AI infrastructure while reducing exposure to smart driving and edge AI [1][6] Sector Consensus and Divergence - There is a consensus among high-performing funds regarding the PCB sector, with several funds increasing their positions in companies like Dongshan Precision and Shengxin Technology [5][6] - However, there are notable divergences in the strategies of different funds regarding specific AI sub-sectors, such as the varying approaches to Zhongji Xuchuang [4][5] Future Outlook - Fund managers are considering how to capitalize on the expanding AI market, with a focus on the potential for significant breakthroughs in AI applications and the ongoing competition in the large model sector [10][11] - Some managers emphasize the importance of balancing growth potential with safety margins, while others highlight the need for diversified investments to mitigate risks associated with high valuations in the AI sector [12]

Core Insights - The Ministry of Industry and Information Technology (MIIT) plans to promote humanoid robot technology innovation and upgrade, aiming to drive the development of the broader computing intelligence industry [1] - MIIT will enhance the quality inspection and testing of humanoid robot products, focusing on network and data security, and will conduct research on technology ethics [1] - The ministry aims to strengthen the support of the National Artificial Intelligence Industry Investment Fund for humanoid robots and establish an open-source community for humanoid robots [1] Company and Industry Overview - KaiLong High-Tech focuses on intelligent testing of dexterous hands and components, covering complete machines, parts, and application scenario testing, emphasizing "environmental protection + industry" [2] - Jizhi Co., Ltd. plans to acquire PuMai Technology to integrate testing capabilities from core components to complete machine performance [2] - Guodian Measurement provides comprehensive testing capabilities covering the entire robot industry chain, including software, chips, and reliability [2] - Huace Testing specializes in consumer robots, offering safety, energy efficiency, and electromagnetic compatibility testing services [2] - Weikai Testing Technology actively develops inspection and testing services for the robotics field and participates in building public technology service platforms [2] - The National Robot Testing and Evaluation Center provides authoritative third-party testing and CR certification, with comprehensive testing capabilities for industrial, service, and special robots [3] - Jiangsu Sujian Intelligent Equipment focuses on testing, certification, and technical consulting for industrial robots, service robots, and related components [3] - Tianqi Co. and Junpu are industry cross-players providing application-level testing and validation for robot products based on specific industrial scenarios [3]

Group 1 - The core point of the article highlights that the Yongying Technology Smart Selection fund, managed by Ren Jie, achieved an impressive annual return of 233.26% in 2025, breaking the 18-year record for the highest annual return previously held by Wang Yawei [1] - The fund significantly outperformed its benchmark, with net asset values for its A and C shares at 3.7795 yuan and 3.7523 yuan respectively by the end of Q4 2025, reflecting growth rates of 13.18% and 13.01%, while the benchmark recorded a return of -2.39% [1] - The fund's equity investment allocation decreased from 91.59% in Q3 to 78.76% in Q4, with increased holdings in bank deposits and clearing reserves, and a complete exit from previous bond investments [1] Group 2 - In Q4 2025, the top ten holdings of the Yongying Technology Smart Selection fund included companies such as Shengyi Technology, Zhongji Xuchuang, and Hushan Electronics, among others [2] - Compared to Q3 2025, the fund increased its positions in several stocks including Hushan Electronics and Shengyi Technology, while reducing its stake in Zhongji Xuchuang by 17% [3] - The fund continued to focus on global cloud computing investments, leveraging insights from the AI industry and advancements in new technologies [3] Group 3 - The Gemini model has been gaining market share in the consumer sector, while other model companies are also experiencing healthy growth and increasing investments to enhance their capabilities [4] - The application ecosystem is transitioning from rapid user growth to structural upgrades, with a focus on differentiated capabilities and service depth in various sectors, including healthcare and enterprise applications [4] - The global AI model industry is in a phase of continuous capability enhancement and expanding application scenarios, indicating strong sustainability and certainty in its development [5] Group 4 - The architecture of computing power is evolving to meet the changing demands of models and applications, with innovations such as CPO/NPO and orthogonal backplane technologies being introduced [5] - Companies that engage early with leading manufacturers in research and supply chain collaboration are expected to gain significant industry benefits as penetration rates increase [5] - The fund will continue to prioritize investments in the global cloud computing sector, particularly in optical communication and PCB directions [5]

Core Insights - The report highlights a significant expansion in the scale and positioning of equity funds as the 2025 quarterly reports are disclosed, with over 3,300 funds having completed their disclosures by January 21 [1] - More than 40% of actively managed equity funds reported positive returns for the quarter, outperforming benchmarks, driven by a structural market rally influenced by debt reduction policies, expectations of preventive interest rate cuts by the Federal Reserve, and marginal improvements in corporate earnings [1] - The technology and non-ferrous metals sectors led the market, contributing to substantial excess returns for funds heavily invested in these areas [1] Fund Performance and Trends - The fund managed by Ren Jie, Yongying Technology Smart Selection A, achieved a cumulative return of 233.29% for the year, with a total scale reaching 15.468 billion yuan, a quarter-on-quarter increase of 34.26% [2] - A total of 45 funds doubled their scale in a single quarter, with some "mini funds" experiencing scale increases exceeding 40 times, showcasing a typical characteristic of smaller funds being more agile [3] - The rapid scale increase of these funds is attributed to three common factors: small initial scale allowing for performance elasticity, concentrated industry allocation focusing on AI computing power, semiconductor equipment, and copper-aluminum sectors, and decisive actions by fund managers to quickly build positions at the onset of market rallies [3] Challenges and Adjustments - The significant scale growth poses management challenges, leading some funds to limit purchases to control rapid growth and avoid strategy capacity exceeding limits, which could dilute returns [4] - In terms of industry allocation, the technology sector remains the most consensus-driven core line among fund managers, with some funds reducing positions in previously high-performing stocks that have reached reasonable valuation levels, while increasing allocations to second-tier stocks and upstream equipment materials [5] Specific Fund Adjustments - For instance, Yongying Technology Smart Selection A reduced its stock position from 94.41% to 80.34%, a decrease of over 14 percentage points, showing caution towards the core stock "Yizhongtian" [5] - The fund manager Feng Ludan's China Europe Digital Economy also exhibited similar adjustments, slightly reducing stock positions while increasing holdings in Dongshan Precision and Shennan Circuit, and significantly reducing positions in Zhongji Xuchuang and Xinyi Sheng [6] Investment Strategy Insights - The report emphasizes the importance of analyzing "invisible heavy stocks" in quarterly reports, as the real insights may lie in the 11th to 20th largest holdings, which can indicate a shift in fund manager strategies [8] - Tracking changes in "institutional investor share ratios" can serve as a barometer for smart money, with significant increases indicating recognition from long-term funds, which can stabilize future fund redemptions and enhance net value stability [8] - The operational analysis section of the reports is crucial for understanding fund managers' strategies, with key phrases indicating recognition of misjudgments, warnings about current valuations, and adjustments in holdings [9]

Core Insights - Goldman Sachs indicates that the construction of artificial intelligence infrastructure is driving the PCB (Printed Circuit Board) and CCL (Copper Clad Laminate) industries into a super cycle, fueled by the continuous upgrade of AI server specifications [1] - The report predicts that the global AI server PCB market will grow by 113% year-on-year by 2026 and continue to grow by 117% in 2027, while the AI server CCL market is expected to see even more remarkable growth, with increases of 142% and 222% in 2026 and 2027, respectively [1][3] Group 1: Dual Drivers - The core logic of the Goldman Sachs report is based on two major trends: speed upgrades leading to increased value and scale effects expanding the total addressable market (TAM) [2] - The demand for high-speed connection technologies such as 800G and 1.6T is driven by the significant increase in computing density per rack of AI servers, which directly enhances the dollar value of PCBs and CCLs [2] Group 2: Market Forecast - According to Goldman Sachs' model, the global AI server PCB market is expected to grow from approximately $3.1 billion in 2024 to $27.1 billion in 2027 [3] - The CCL market is projected to surge from $1.5 billion in 2024 to $18.7 billion in 2027, with growth rates for CCL in 2026 and 2027 (142% and 222%) surpassing those of optical modules and AI training servers [3] Group 3: Investment Perspective - Goldman Sachs counters concerns about market growth slowing and increased competition, arguing that rapid technological migration leads customers to rely on technology leaders for product quality and timely delivery [4] - The development and production of the latest generation of AI servers require significant R&D investment and capital expenditure, effectively limiting the number of new entrants and creating a more favorable competitive environment for leading companies [4]

Group 1 - PCB concept index rose by 2.79%, ranking 8th among concept sectors, with 156 stocks increasing, including Dazhu CNC which hit a 20% limit up [1] - Notable gainers in the PCB sector included Zhongtung High-tech (+10.00%), Guanghe Technology (+10.00%), and Xingsen Technology (+8.30%) [3][4] - The sector saw a net inflow of 4.688 billion yuan, with 104 stocks receiving net inflows, and 18 stocks exceeding 100 million yuan in net inflow, led by Zhongtung High-tech with 543 million yuan [2][3] Group 2 - The top three stocks by net inflow ratio were Aoshikang (21.95%), Guanghe Technology (16.81%), and Kuike Intelligent (15.96%) [3][5] - The PCB sector's trading volume was highlighted by significant turnover rates, with Zhongtung High-tech at 7.32% and Xingsen Technology at 13.76% [4][5] - Stocks with notable declines included Ruihua Tai (-5.79%), Kaihua Materials (-4.30%), and Aisen Co. (-3.85%) [1][11]