Core Viewpoint - The A-share market concluded 2025 with a structural bull market, with the Shanghai Composite Index rising by 18.41%, leading to significant performance improvements in active equity funds, where over 95% achieved positive returns, and 76 funds doubled their returns, marking a strong comeback of "double funds" after 17 years [3][4][7]. Group 1: Market Performance - The Shanghai Composite Index ended the year at 3968.84 points, recovering from fluctuations and achieving an 18.41% annual increase [4]. - Among 31 sectors, 29 experienced gains, with non-ferrous metals and communications leading at 94.73% and 84.75% respectively, while food and beverage and coal sectors saw declines exceeding 5% [4]. - The active equity fund performance saw over 95% of 4711 comparable funds achieving positive returns, a significant increase from 65% the previous year, marking the best performance in five years [4][9]. Group 2: Top Performing Funds - The top-performing fund, Yongying Technology Smart A, achieved a remarkable return of 233.29%, surpassing the second-place fund by over 64 percentage points and breaking the previous record set in 2007 [5][7]. - The second and third positions were held by Zhonghang Opportunity Navigation A with a return of 168.92% and Hongtu Innovation Emerging Industry A with 148.64%, respectively, showcasing intense competition among the top funds [8]. - A total of 76 active equity funds achieved returns exceeding 100%, the highest number in the last five years, with 39 fund companies represented [8]. Group 3: Investment Trends and Future Outlook - The leading funds predominantly invested in the artificial intelligence (AI) sector, indicating a high "science and technology content" as a key to success [3][11]. - Looking ahead, the AI industry is expected to see further valuation increases, transitioning from valuation-driven to a dual-driven model of fundamentals and structural reforms [11][12]. - Investment strategies for 2026 are anticipated to focus on AI, overseas expansion, and commodities, with a cautious outlook on potential market corrections [12][13].

Core Insights - The A-share market concluded 2025 with a structural bull market, with the Shanghai Composite Index rising by 18.41%, leading to the best performance of active equity funds in five years, with over 95% of products achieving positive returns [1][2] - The top-performing fund, Yongying Technology Select A, achieved an impressive return of 233.29%, marking the return of "double funds" after 17 years and breaking the previous record set in 2007 [5][6] - The performance of leading funds was largely driven by a high allocation to the artificial intelligence industry chain, indicating that "technology content" was a key factor for success [1][7] Market Performance - The Shanghai Composite Index fluctuated around 4000 points throughout the year, closing at 3968.84 points on December 31, 2025, after a series of eleven consecutive gains [2] - Among the 31 sectors in the Shenwan classification, 29 sectors saw gains, with non-ferrous metals and telecommunications leading with annual increases of 94.73% and 84.75%, respectively [2] - The active equity fund market saw a significant recovery, with over 95% of 4711 comparable active equity funds achieving positive returns, a notable increase from 65% the previous year [2][6] Top Performing Funds - Yongying Technology Select A, managed by Ren Jie, topped the annual returns with 233.29%, significantly ahead of the second-place fund by over 64 percentage points [5] - The second-place fund, China Aviation Opportunity Navigator A, achieved a return of 168.92%, while the competition for third place was intense, with Red Soil Innovation Emerging Industry A and Hengyue Advantage Selection A closely contesting [5][6] - A total of 76 funds achieved returns exceeding 100%, the highest number in the past five years, with E Fund having the most top-performing products [6] Investment Trends - The leading funds predominantly invested in artificial intelligence-related stocks, particularly in sectors like computing chips and optical modules, which were crucial for their standout performance [7] - Looking ahead to 2026, the investment focus is expected to remain on overseas expansion, artificial intelligence, and commodities, with a cautious outlook on potential market corrections [8][9] - Analysts predict a significant probability of sector style shifts in 2026, with high-end manufacturing and core assets gaining attractiveness as the market undergoes a rebalancing phase [9]

Core Viewpoint - The liquid cooling industry, while part of the computing ecosystem alongside optical modules and PCBs, has a less robust business model and profitability. However, it has significant potential for penetration, particularly in high-density AI clusters, where current overall penetration is low, projected to reach about 20%-25% by 2025 [1]. Group 1: Industry Overview - Optical modules and PCBs are essential components of server and switch infrastructure, with nearly 100% penetration rates, while liquid cooling is only a necessity in high-density AI clusters [1]. - The revenue recognition for optical modules and PCBs is quick and has a short cycle, whereas liquid cooling projects typically have a lag of over six months due to the need for infrastructure setup [1]. - The standardization and mass production of optical modules and PCBs lead to stable and high gross margins, while liquid cooling faces challenges due to customization and project-based sales, resulting in lower gross margins [2]. Group 2: Key Companies - **Inspur**: A leading domestic liquid cooling company with a comprehensive solution covering cold plates, CDU, and system integration, benefiting from partnerships with major players like NVIDIA and Intel. It is positioned to gain from the AI high-density computing cooling market, although its valuation may be stretched with a PB exceeding 30x [2]. - **Tongfei Co., Ltd.**: A specialized enterprise transitioning to data center liquid cooling, with a dual-path approach in cold plate and immersion cooling, aiming for significant growth in AI computing infrastructure and energy storage [3]. - **Yidong Electronics**: Entering the AI server liquid cooling market in 2024, it aims to integrate connectors and liquid cooling solutions, achieving significant revenue milestones in 2025 [4]. - **Dingtong Technology**: Focused on integrated connector and liquid cooling modules, it is set to ramp up production and gross margin potential in the coming years [5]. - **Siquan New Materials**: Specializing in high thermal conductivity materials for AI server cooling, it is expected to enter a critical phase of mass delivery and certification by 2025 [6]. - **Zhongshi Technology**: Engaged in thermal management materials and AI server cooling solutions, it is expanding its production capacity and is expected to see significant order and margin growth [7]. - **Feirongda**: With a focus on electromagnetic shielding and thermal management, it is positioned for significant delivery and expansion in the AI server cooling market [8]. - **Dongyangguang**: Following a comprehensive approach in liquid cooling, it is set to enter a critical phase of delivery and overseas expansion [9]. - **Juhua Co., Ltd.**: Leveraging its fluorochemical expertise, it is positioned as a key player in the liquid cooling market, focusing on domestic replacement and overseas expansion [10]. - **Qiangrui Technology**: Engaged in integrated solutions for testing equipment, it is expected to achieve significant breakthroughs in delivery and ecosystem integration by 2025 [11].

Research Conclusion - The report remains optimistic about the trading opportunities of convertible bonds, expecting a sideways shock and a slight strengthening in the equity market, with the market shifting from a two - end trend of technology + dividends to mid - cap blue - chips [6][9]. Core Viewpoints - This week, the ChiNext and STAR Market drove the small and medium - cap stocks stronger, and convertible bonds followed the upward trend. The high - priced equity - like bonds continued to rise. The 100 - yuan premium rate oscillated between 30% - 34% as previously predicted and was difficult to break through the previous high. Although the current cost - performance of convertible bonds is low, there are still trading opportunities under the optimistic expectation of the equity market [6][9]. - The strengthening factors of the equity market this week include the continuous popularity of the commercial space and optical module sectors, the strengthening of metal prices, and the significant increase in the share of CSI A500 ETF. After the uncertain events are settled, the market starts to rise with oscillations and the sentiment turns positive. The subsequent equity market will be in a sideways shock and slightly strengthen, and the market trend will shift to mid - cap blue - chips [6][9]. Summary by Directory 1. Convertible Bond Views - Driven by the equity market, convertible bonds broke through the previous high, and the valuation rose and then fell. The 100 - yuan premium rate oscillated between 30% - 34% and was difficult to break through the previous high. Despite the low cost - performance and small - scale redemption behavior, the trading opportunities of convertible bonds are still promising under the optimistic equity market [9]. - The equity market tried to break through upward again this week. With the settlement of uncertain events, the market started to rise with oscillations. The subsequent equity market will be in a sideways shock and slightly strengthen, and the market trend will shift to mid - cap blue - chips in industries such as cycles, consumption, and manufacturing [9]. 2. Convertible Bond Review 2.1 Market Overall Performance - This week, the equity market was strong, with all broad - based indexes rising. The CSI 500 rose 4.03%, the ChiNext Index rose 3.90%, and the CSI Convertible Bond Index rose 1.64%. In terms of industries, non - ferrous metals, national defense and military industry, and power equipment led the rise, while beauty care, social services, and banks led the decline. The average daily trading volume increased by 210.457 billion yuan to 1.96 trillion yuan [12]. 2.2 Significant Increase in Trading Volume, Good Performance of High - priced and Small - cap Convertible Bonds - This week, convertible bonds rose significantly, the 100 - yuan premium rate rose and then fell, and the average daily trading volume increased significantly to 78.563 billion yuan. The CSI Convertible Bond Index rose 1.64%, the parity center rose 0.4% to 101.7 yuan, and the median conversion premium rate rose 1.3% to 32.4%. High - priced and small - cap convertible bonds led the rise, while high - rated and double - low convertible bonds performed weakly [6][19].

Core Viewpoint - International Composite Materials (301526.SZ) is advancing its transformation towards high-end manufacturing by agreeing to construct a project for producing 36 million meters of high-frequency, high-speed electronic fiber cloth annually [1] Group 1 - The company aims to strategically position itself in emerging fields such as AI servers and optical modules [1]

Group 1: Market Movements - Cambridge Technology (06166) saw a mid-session surge, currently up over 7.3%, driven by LightCounting's prediction that the global optical module market will exceed $37 billion by 2029, with 1.6T optical modules expected to enter commercial use in 2025, anticipating a demand of 2.5 to 3.5 million units [1] - Sais Group (09927) rose over 3% after announcing the launch of its overseas brand DFSK in Egypt, marking its entry into the Egyptian market [1] - Power stocks collectively declined, with Huaneng International (00902) down 7.78%, Datang Power (00991) down 5.13%, Huadian International (01071) down 2.88%, and China Resources Power (00836) down 2.7%, following the release of long-term electricity prices in Guangdong and Jiangsu for 2026, which showed significant decreases [1] Group 2: Commodity and Sector Updates - China Silver Group (00815) increased over 7% as silver prices surged dramatically, with COMEX silver futures rising over 11% and spot silver up over 10%, marking a year-to-date increase of 175%, significantly outpacing gold [2] - Xpeng Motors (09868) rose nearly 6% after holding a brand launch event in Doha, Qatar, indicating its entry into the high-end Middle Eastern market [2] - Some photovoltaic stocks saw gains, with GCL-Poly Energy (00451) up 6.76%, New Times Energy (01799) up 4.81%, GCL-Technology (03800) up 1.83%, and Xinyi Solar (00968) up 0.99%, following regulatory guidance aimed at ensuring fair competition in the solar industry [2] Group 3: Corporate Developments - AVIC Aircraft (02357) rose over 1.5% after announcing a partnership agreement to acquire 59.1816% of a partnership interest from Aviation Industry Investment for a consideration of RMB 202 million [3] - MGM China (02282) experienced a sharp decline of over 13% after a new long-term brand cooperation agreement was announced, which will increase brand usage fees significantly starting in 2026, expected to reach HKD 1.2 billion [4] - Dongfang Zhenxuan (01797) rose over 4.3% following the confirmation of a new CEO, marking a leadership transition within the company [4] Group 4: U.S. Market Highlights - Tesla (TSLA.US) fell 2.1% amid mixed expectations for Q4 delivery volumes, with estimates ranging from 415,000 to 440,000 units [5] - Target (TGT.US) saw a peak increase of 6.7% due to significant investment from activist investor TOMS Capital [5] - Coupang (CPNG.US) shares rose by 11% after the company announced it had recovered devices used to leak user information [5]

Group 1 - The core point of the news is the significant growth in the AI sector, highlighted by the performance of the Yongying AI ETF, which rose by 1.41% with over 40 million CNY in net subscriptions [1][2] - The Yongying AI ETF (159141) is the first of its kind, focusing on the AI industry chain, covering upstream chip and optical module sectors, midstream large models and cloud computing, and downstream applications, with over 78% allocation in AI chips, optical modules, and cloud computing [3][4] - The implementation of national standards for AI large models marks a significant step in establishing a technical evaluation system, filling a gap in the industry [2][3] Group 2 - The demand for high-speed optical modules is strong, driven by the need for AI infrastructure, which is expected to lead to rapid growth in the global optical module market [3] - Chinese manufacturers have secured seven out of the top ten positions in the global optical module market, indicating a strengthening dominance [3] - The "Artificial Intelligence +" initiative is integrated into the 14th Five-Year Plan, aiming for deep integration of AI across various sectors, with targets set for 2027 and 2030 regarding the prevalence of new intelligent terminals and applications [3]

Core Viewpoint - Qiangda Circuit (301628.SZ) has announced a significant financing plan to issue convertible bonds to raise up to 550 million yuan, aimed at expanding its production capacity in the high-end PCB sector, particularly for AI servers, optical modules, and intelligent driving applications [1][2]. Group 1: Financing and Investment - The 550 million yuan raised will be specifically allocated to the Nantong Qiangda Circuit Technology Co., Ltd. project, which aims to produce 960,000 square meters of multilayer boards and HDI boards annually [1][2]. - The total investment for the Nantong expansion project is 1 billion yuan, focusing on advanced automation and intelligent production lines to create a modern PCB factory [2]. Group 2: Market and Industry Outlook - The global multilayer board market is projected to grow from 28 billion USD in 2024 to 34.9 billion USD by 2029, with a compound annual growth rate (CAGR) of 4.5% [3]. - The global HDI board market is expected to increase from 12.5 billion USD in 2024 to 17 billion USD by 2029, with a CAGR of 6.4% [3]. - The PCB market for AI and high-performance computing is anticipated to expand from 6 billion USD in 2024 to 15 billion USD by 2029 [3]. Group 3: Financial Performance - For the first three quarters of 2025, Qiangda Circuit reported revenues of 706 million yuan and a net profit of 96.32 million yuan, reflecting year-on-year growth of 20.74% and 20.91%, respectively [1][6]. - The company's total assets reached 1.529 billion yuan by the end of Q3 2025, marking a historical high and a year-on-year increase of 79.25% [8]. Group 4: Research and Development - Qiangda Circuit has invested a total of 128 million yuan in R&D over the past three years, emphasizing the importance of technological innovation in maintaining competitive advantage [7]. - The company has been actively pursuing research in various fields, including automotive radar, drones, AI servers, and 5G communication, resulting in multiple patent applications [7].

Core Viewpoint - Tianfu Communication is planning to issue H-shares and list on the Hong Kong Stock Exchange, with founder Zou Zhinong at the forefront of this initiative, following significant growth driven by AI demand and a surge in stock price [1][10]. Company Background - Zou Zhinong, born in a rural family in Jiangxi, founded Tianfu Communication in 2005 after identifying a gap in the market for ceramic sleeves used in optical fiber connections, which were previously dominated by Japanese companies [2][3]. - The company initially focused on developing a ceramic sleeve product, overcoming technical challenges to achieve cost-effective production and replace imports [2][3]. Business Development - Tianfu Communication has expanded its business into two core segments: passive optical devices and advanced optical packaging, serving various sectors including AI data centers and telecommunications [3]. - The company has established a global presence with headquarters in Suzhou and Singapore, and production bases in Jiangxi and Thailand, exporting products to over 20 countries [3]. Financial Performance - Since its listing on the Growth Enterprise Market in 2015, Tianfu Communication has seen its market capitalization soar, reaching over 1600 billion yuan with a stock price increase of over 220% this year [6][11]. - The company reported a revenue of 3.9 billion yuan for the current year, a 63.63% increase year-on-year, attributed to the rising demand for optical devices driven by AI advancements [9]. Market Position and Strategy - Tianfu Communication positions itself as a core supplier of optical components rather than competing in the optical module market, allowing it to benefit from the overall growth in the industry without direct competition [9]. - The company has secured high-end optical chip production capacity from Lumentum, a supplier for Google, indicating strong future growth potential as demand for optical modules increases [10]. Industry Context - The surge in AI applications has significantly boosted the demand for optical modules, with Tianfu Communication benefiting from this trend alongside other companies in the sector [8][11]. - The competitive landscape includes notable players like Nvidia, with Tianfu Communication providing essential components that support the functionality of AI systems [9].

证券研究报告 | A 股策略周报 | 中国策略 A 股策略周报 报告日期：2025 年 12 月 27 日 "未分胜负"变"利于多方"，防挖坑、不追高、逢低配 ——A 股市场运行周报第 73 期 核心观点 （1）蓝箭航天 IPO 辅导状态已变更为"辅导工作完成"、SpaceX 确认筹备 2026 年潜在 IPO 计划；（2）央行发布一次性个人信用修复政策，助力个人重塑信用； （3）央行货币政策委员会召开第四季度例会，会议提出"维护资本市场稳定"。 ❑ 下周行情展望 从盘面上看，市场从上周的"未分胜负"转向本周"利于多方"，主要归功于三项 驱动因素：一是中证 A500ETF 表现强劲，总份额在近一周、两周分别增加 398.9 亿份、672.3 亿份；二是商业航天相关持续火爆，驱动成长指数明显上涨；三是光 模块继续走强，对双创指数形成托举。虽然上述因素驱动市场格局转向多头，并 为明年上半年的向上奠定基础，但其持续性有待检验。展望后市，我们认为 A 股 中线看多、"系统性慢牛"继续走高的结论具有较高的置信度，而短期走势如何演 绎则需要我们"边走边看"，是否会像去年底、今年初一般在中线行情启动前挖出 "黄金坑"仍不得 ...