Core Viewpoint - The semiconductor sector showed strong performance in the afternoon trading session, with significant gains in various stocks, indicating a bullish trend in the market [2][4]. A-Share Market Summary - On the 12th, major A-share indices experienced a surge in the afternoon, driven by sectors such as brokerage, insurance, and semiconductors. The Shanghai Composite Index rose by 0.41% to 3889.35 points, while the Shenzhen Component increased by 0.84%, and the ChiNext Index gained 0.97% [2]. - The total trading volume in the Shanghai and Shenzhen markets reached 21.193 billion yuan, an increase of over 2.3 billion yuan compared to the previous day [2]. Semiconductor Sector Performance - The semiconductor sector saw a notable rise, with stocks like Jingfeng Mingyuan (688368) hitting the daily limit with a 20% increase, and others like Huahai Chengke and Tianyue Advanced rising over 10% [5][6]. - According to WSTS, the global semiconductor market is projected to grow by 22.5% year-on-year in 2025, driven by increased investments in data centers by major IT companies, particularly in memory and logic chips [6]. Nuclear Power Sector Surge - The nuclear power sector experienced a strong performance, with stocks such as Tianli Composite rising by 30% and others like Zhongzhou Special Materials and Boying Special Welding also hitting the daily limit [8][9]. - The demand for nuclear energy is expected to increase due to the surge in AI computing power needs, with significant projects underway in China [8]. Market Volatility of Moer Thread - Moer Thread (688795) experienced a significant drop, closing down 13.4% after a previous surge of approximately 28%. The stock's trading volume exceeded 10.38 billion yuan [11]. - The company warned of potential risks due to its recent stock price increase, which significantly outpaced related indices, and highlighted uncertainties regarding its new products and future profitability [11].

Market Overview - The A-share market saw a rebound with all three major indices rising: the Shanghai Composite Index increased by 0.41%, the Shenzhen Component Index rose by 0.84%, and the ChiNext Index gained 0.97%. The total market turnover was approximately 2.11 trillion yuan [2]. Sector Performance - The controllable nuclear fusion sector led the market, with Tianli Composite hitting a "30CM" limit up, achieving a historical high closing price of 60.84 yuan per share, and a five-day increase of 117.21% [5][8]. - The precious metals sector performed strongly, with companies like Zhaojin Mining, Xiaocheng Technology, and Western Gold rising over 6% [5]. - The semiconductor sector was active in the afternoon, with Jingfeng Mingyuan hitting a "20CM" limit up, and companies like Yandong Micro and Zhongke Feimiao rising over 10% [11][12]. Notable Stocks - Zhongzhou Special Materials saw a significant increase of 20.01% to 23.39 yuan, while Sry New Materials rose by 17.58% to 34.45 yuan [7]. - Aikesaibo and Changfu Co. also showed strong performance, with increases of 12.76% and 11.38%, respectively [7]. Policy and Industry Insights - A recent policy from Beijing Economic and Technological Development Zone aims to accelerate the cultivation of future energy industries, supporting various technological paths in fusion energy development [8]. - The report from Tianfeng Securities highlights challenges faced by U.S. power operators due to rising electricity demand and the need for flexible resource combinations, indicating potential opportunities for Chinese component manufacturers in the gas turbine sector [9]. Semiconductor Industry Outlook - China Galaxy Securities reports that the wafer manufacturing giant SMIC is expected to exceed a monthly production capacity of 1 million wafers by Q3 2025, with a utilization rate increase of 3.3 percentage points to 95.8% [12]. - The semiconductor sector's long-term growth logic remains intact, with a focus on companies with high revenue from semiconductor fields and clear technological barriers [12].

12月12日，半导体概念持续走高，截至收盘，晶丰明源（688368）"20cm"涨停，燕东微涨超16%，芯动联科、赛微电子等多股跟涨。 | | ギ島体 | | | | | --- | --- | --- | --- | --- | | | | 11925.91 2.09% | | | | 成分股 基金 | | 简况(F10) | 资金 分析 | 新闻 | | 名称/代码 | | | 最新 ◆ 涨幅 ◆ ５日涨幅 ◆ ▶ | | | 晶丰明源 | | | 116.02 +20.00% +19.15% | | | 科创 688368 陆 | | | | | | 首板 最终涨停13:26 | | | | | | 燕东微 | | | 28.80 +16.84% +18.42% | | | 科创 688172 融 | | | | | | 芯动联科 | | | 66.28 +12.91% +7.72% | | | 科创 688582 融 | | | | | | 华海诚科 | | | 107.35 +11.57% +11.12% | | | 科创 688535 融 | | | | | | 赛微电子 | | | 62.33 ...

Core Points - The Sci-Tech Innovation 50 Index opened with adjustments on December 12, then fluctuated upwards, closing significantly higher at 1348.88 points, with an increase of 1.74% and a trading range of 2.83%, totaling a transaction volume of approximately 83.87 billion yuan [1] - The Sci-Tech Comprehensive Index also rose by 1.77%, closing at 1611.93 points, with a total transaction volume of about 248 billion yuan. Among the 595 stocks in the Sci-Tech board, most rose while low-priced stocks showed mixed performance [2] Stock Performance - The top performer was Jingfeng Mingyuan, which hit the daily limit, while Moer Thread saw the largest decline at 13.41% [3] Transaction Volume - Cambrian Technology led in transaction volume with 12.5 billion yuan, while Conglin Technology had the lowest at 465 million yuan [4] Turnover Rate - Moer Thread had the highest turnover rate at 42.26%, while Weigao Orthopedics had the lowest at 0.2% [5]

Group 1 - The semiconductor sector experienced a strong surge on the 12th, with stocks like Jingfeng Mingyuan hitting a 20% limit up and Yandongwei rising nearly 17% [1] - According to the latest forecast by WSTS, the global semiconductor market size is expected to grow by 22.5% year-on-year in 2025, driven particularly by accelerated investments in data centers by large IT companies, with strong growth anticipated in memory and logic chips [1] - WSTS predicts that the global semiconductor market growth rate may reach 26.3% year-on-year in 2026, with data center investments expected to continue as a major growth driver [1] Group 2 - Huatai Securities reported that in the third quarter of 2025, the combined revenue of semiconductor equipment companies in China and overseas is projected to be $14.5 billion, representing an 8% year-on-year increase, with a domestic production rate of 22%, up 6 percentage points year-on-year [1] - Looking ahead to 2026, the Chinese market size is expected to grow by 2% year-on-year, reaching $51 billion; with companies like Changxin Technology advancing their listing guidance and SMIC and Huahong completing mergers and acquisitions, investments in advanced process logic and memory in China are expected to accelerate [1] - In addition to local companies likely gaining market share, some non-U.S. companies are expected to maintain stable market shares in China [1]

Core Insights - The article highlights the strong performance of the Tianhong ETFs, particularly the Sci-Tech Index ETF and the Cloud Computing ETF, indicating a positive trend in the technology sector [1][2][3] Group 1: ETF Performance - The Sci-Tech Index ETF Tianhong (589860) saw a turnover of 9.41% with a transaction volume of 28.55 million yuan, while the underlying Shanghai Sci-Tech Board Composite Index (000680) rose by 1.22% [1] - Key component stocks such as Jingfeng Mingyuan (688368) and Yandong Micro (688172) experienced significant gains of 20.00% and 18.30%, respectively [1] - The Cloud Computing ETF Tianhong (517390) had a turnover of 3.51% with a transaction volume of 12.49 million yuan, tracking the CSI Hong Kong-Shanghai-Shenzhen Cloud Computing Industry Index (931470) which rose by over 1% [1] Group 2: Growth and Market Trends - The Cloud Computing Hong Kong-Shanghai ETF (517390) reported a substantial growth of 21.22 million yuan over the past six months, indicating a strong upward trend [2] - The Sci-Tech Index is characterized by its comprehensive coverage of 97% of the Sci-Tech Board's market capitalization, focusing on early-stage innovation investment opportunities [3] - The article emphasizes the importance of capturing opportunities in the AI-driven cloud computing sector, particularly through the Hong Kong-Shanghai-Shenzhen Cloud Computing ETF [3] Group 3: Policy and Industry Developments - The Central Economic Work Conference held on December 10-11 emphasized the need for innovation-driven growth and the cultivation of new economic drivers, which is expected to support the technology sector [3][4] - The launch of the local section of the China Computing Power Platform marks a significant step in optimizing computing resources across regions, enhancing the infrastructure for technology development [4] - Financial institutions like Caixin Securities predict that the technology growth trend will continue in the medium to long term, with a focus on the AI industry chain transitioning from hardware to application [4]

Core Viewpoint - The rapid development of downstream markets such as automotive, servers, and communications in China is driving a significant increase in the demand for multi-phase power supplies, which is becoming a notable growth market in the semiconductor sector. By 2024, the demand for multi-phase power supplies in China is expected to reach 22.0139 million sets, a year-on-year increase of 17.0%, with a market size of 11.342 billion yuan, a year-on-year increase of 20.0% [1][10]. Overview - Multi-phase power supplies convert electrical energy to higher or lower voltage, current, or power, primarily serving the power supply needs of high-load chips like CPUs and GPUs. The term "phase" refers to the number of parallel combinations of inductors and MOS power devices [2][5]. - A multi-phase power supply consists of a controller and several power stages, utilizing PWM (Pulse Width Modulation) technology to control output voltage and frequency, requiring high design and manufacturing standards [2][5]. Industry Chain - The upstream of the multi-phase power supply industry includes semiconductor materials, electronic components, and EDA tools. The midstream involves design, manufacturing, packaging, and testing, while the downstream applications include automotive, servers, desktop computers, communications, and consumer electronics [8][9]. Market Demand - The automotive sector is the largest demand market for multi-phase power supplies in China, expected to account for over 50% of the market by 2024. The automotive industry is a crucial pillar of the national economy, with China being the world's largest automobile producer for 16 consecutive years [9][10]. Competitive Landscape - The multi-phase power supply market is primarily dominated by overseas leaders such as TI, Infineon, and MPS. Domestic companies like Jingfeng Mingyuan, Silergy, and Jiewater are emerging players, with Jingfeng Mingyuan being the first domestic power chip company to enter NVIDIA's recommended supplier list [11][12]. Development Trends - The multi-phase power supply industry in China is accelerating its shift towards emerging markets such as AI computing and intelligent driving. In the server sector, the dependence on high-performance chips is increasing, making multi-phase power supplies essential for stable operation. In the automotive sector, the demand for high current power supply is driving upgrades to high integration solutions [14][15].

Core Insights - The AI industry faces significant challenges primarily related to power supply rather than chips or talent, highlighting the critical role of power management in AI servers [1] - The global AI server power market is projected to grow exponentially, from $7.4 billion in 2025 to $32.5 billion by 2027, with a compound annual growth rate (CAGR) of 110% [1] - Domestic manufacturers are increasingly entering the AI server power supply market, with current domestic replacement rates estimated at 10-20% [1] Market Trends - AI server power architecture is undergoing a transformation, with three key levels: power supply systems (UPS, HVDC, PDU), AC-DC conversion (PSU, PMC, BBU), and DC-DC conversion (PDB, VRM) [3] - The shift towards high-voltage direct current (HVDC) solutions is gaining momentum, improving system efficiency from 90-95% to 95-98% [3] - Centralized power architectures are being adopted, with PSU power increasing from 5.5kW to over 22kW, and output voltage rising from 48V to 400V [4] Technological Innovations - The use of wide bandgap semiconductor devices like SiC and GaN is becoming central to AI power design, offering higher switching frequencies and lower conduction losses compared to traditional silicon devices [4] - Companies like Jiehua and Chipone Micro are developing advanced power management solutions, including high-current multi-phase power supplies and digital power controllers [5][20] - The introduction of intelligent power stages (DrMOS) is addressing the increased power density requirements of AI servers, with products like Jiehua's 90A DrMOS achieving high efficiency and reliability [7] Company Developments - Jiehua is focusing on comprehensive analog chip solutions for AI servers, with products that have reached international advanced levels [5] - Chipone Micro has launched a series of power chips for AI servers, emphasizing efficiency and reliability in response to rising power density demands [20][22] - Jingfeng Mingyuan has entered the NVIDIA recommended supplier list and is expanding its high-performance computing power chip offerings, achieving significant revenue growth [24][26] Conclusion - The competition in AI is not only about algorithms and chips but also about efficiently and sustainably powering these computational giants, with the value of power management chips for AI servers being 3 to 5 times that of traditional servers [30] - The rise of intelligent power stages (DrMOS), multi-phase controllers, and hot-swappable eFuse as core components for AI servers is evident, with domestic manufacturers increasing their focus on these trends [31]

（文/罗叶馨梅）12月8日，晶丰明源（688368.SH）发布公告称，公司董事会近日收到董事、高级管理人员孙顺根的书面辞 职报告。孙顺根因个人原因申请辞去公司董事、副总经理职务，其辞职报告已根据《公司法》及《公司章程》自送达董事 会之日起生效。 公告显示，孙顺根辞任后，仍将继续担任公司核心技术人员，并兼任杭州晶丰明源半导体有限公司执行董事兼总经理、成 都晶丰明源半导体有限公司监事等职务。截至公告披露日，其直接持有公司股份6,275股，并通过海南晶哲瑞创业投资合伙 企业（有限合伙）间接持股。公司指出，其离任后仍将严格遵守减持规则及此前在IPO、并购及股权激励等事项中所作相 关承诺。 晶丰明源表示，孙顺根的辞任不会导致公司董事会人数低于法定最低人数，也不会影响董事会的正常运作。根据公司《董 事、高级管理人员离职管理制度》，孙顺根已完成相关工作交接，确保日常经营与技术管理平稳过渡。董事会对其在任期 间为公司规范运作和稳健发展所作贡献表示感谢。 在职工代表董事方面，公司于2025年12月8日召开职工代表大会，选举李宁为第三届董事会职工代表董事，任期自职工代 表大会选举之日起，至第三届董事会任期届满之日止。公告介绍，李 ...

证券代码：688368 证券简称：晶丰明源 公告编号：2025-090 上海晶丰明源半导体股份有限公司 关于公司董事、高级管理人员离任暨选举职工代表董 事的公告 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： 孙顺根先生的辞任不会导致公司董事会成员人数低于法定最低人数，不会影 响公司董事会依法规范运作，其辞职报告自送达公司董事会之日起生效。 截至本公告披露日，孙顺根先生直接持有公司股份 6,275 股，并通过海南晶 哲瑞创业投资合伙企业（有限合伙）间接持有公司股份。孙顺根先生离任董事及 副总经理后将继续遵守《上海证券交易所科创板股票上市规则》《上市公司股东 减持股份管理暂行办法》《上海证券交易所上市公司自律监管指引第 15 号——股 东及董事、高级管理人员减持股份》等相关法律法规及公司首次公开发行股份、 发行股份及支付现金购买资产并募集配套资金、以及限制性股票激励计划等事项 所作的相关承诺。 孙顺根先生已根据公司《董事、高级管理人员离职管理制度》做好交接工作， 其辞任不会影响公司相关工作的正常运作。孙顺根先生在 ...