1月20日消息，德国CISPA亥姆霍兹中心研究人员公布了一项名为"StackWarp"的安全漏洞，消息初期被 传为波及AMD Zen架构全系列处理器，引发行业关注。不过，AMD迅速响应，不仅公布了漏洞完整详 情、受影响产品型号及修复措施，还发布声明澄清事实，平息市场恐慌。 图源： cyberkendra AMD在声明中明确表示，该漏洞通过内部测试、外部研究社区合作及漏洞赏金计划被发现，编号为 AMD-SB-3027与CVE-2025-29943，属于"客户栈指针损坏漏洞"，官方将其划定为低危（Low Severity）。"SB-3027公告所涉及的低危漏洞正是这些努力的成果，相关补丁自去年7月起便已可用于 AMD EPYC产品。"AMD强调，其持续通过多重举措保障终端用户及客户安全。 据AMD官网安全报告解释，StackWarp漏洞源于访问控制措施存在缺陷，未能阻止虚拟机管理程序对一 项内部配置位进行设置，本质是由翻转未公开的MSR寄存器位引发的CPU栈损坏问题。公开资料显 示，该漏洞主要利用CPU栈引擎对栈指针实施确定性篡改，从而打破AMD SEV-SNP完整性。根据AMD 给出的补丁方案，为了彻底阻断攻击 ...

Core Viewpoint - The semiconductor sector is experiencing strong performance, with significant gains in various stocks, particularly in the CPU and AI-related segments [1][3][5]. Semiconductor Sector Performance - The Shanghai Composite Index showed slight fluctuations, closing up 0.08% at 4116.94 points, while the ChiNext Index rose 0.54% and the Sci-Tech 50 Index surged 3.53% [1]. - The semiconductor sector was notably strong, with leading CPU stock Loongson Technology hitting a 20% limit up, and Haiguang Information rising over 13% [3][1]. AI and Server Demand - The demand for server CPUs is expected to grow due to the ongoing evolution of generative AI, with cloud vendors upgrading their data center architectures and replacing older CPUs [5]. - AMD and Intel have recently increased server CPU prices by 10%-15%, indicating a trend that is likely to impact the domestic market [4]. Glass Substrate Industry - The glass substrate industry is transitioning from technology validation to early-stage mass production, with expectations for commercial shipments to begin in 2026 [7]. - The compound annual growth rate for semiconductor glass wafer shipments is projected to exceed 10% from 2025 to 2030 [7]. AI Industry Chain Stocks - Stocks related to the AI industry chain saw significant increases, with Zhishang Technology hitting a 20% limit up and other companies like Robotech and Lian Technology also experiencing notable gains [9][11]. - The integration of AI applications is anticipated to drive further growth in computational power and related sectors [11]. TSMC Financial Performance - TSMC's latest financial report exceeded market expectations in revenue, net profit, gross margin, and capital expenditure guidance, indicating strong future demand in the computational power sector [12].

Core Viewpoint - The semiconductor sector is experiencing strong performance, with significant gains in various stocks, particularly in CPU and AI-related companies [2][5][11]. Semiconductor Sector Performance - The A-share market saw nearly 3,100 stocks in the green, with the semiconductor sector leading the charge. Notable stocks include Longxin Zhongke, which hit a 20% limit up, and Haiguang Information, which rose over 13% [2][5]. - The overall market capitalization for the semiconductor sector is bolstered by rising prices for server CPUs, with AMD and Intel increasing prices by 10%-15% [6][7]. Glass Substrate Concept Surge - The glass substrate concept has gained traction, with stocks like Woge Optoelectronics, Jinrui Mining, and Maigemi Tech hitting their daily limit up. The glass substrate industry is transitioning from technology validation to early-stage mass production, with expectations for commercial shipments to begin in 2026 [8][10]. AI Industry Chain Stocks Rally - AI-related stocks, particularly in the CPO concept, have seen significant increases, with Zhishang Technology reaching a 20% limit up and Robotech rising nearly 15% [12][14]. - The demand for AI servers is increasing, driven by the need for upgraded architectures in data centers, which is expected to sustain growth in the server CPU market [7][14].

证券之星消息，1月21日半导体板块较上一交易日上涨3.75%，龙芯中科领涨。当日上证指数报收于 4116.94，上涨0.08%。深证成指报收于14255.12，上涨0.7%。半导体板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 688047 | 龙心中科 | 177.72 | 20.00% | 13.06万 | | 22.43亿 | | 688691 | 灿芯股份 | 159.00 | 15.78% | 10.50万 | | 15.83亿 | | 688141 | 不华特 | 52.99 | 13.83% | 28.88万 | | 14.84亿 | | 688041 | 海光信息 | 288.11 | 13.34% | 62.37万 | | 177.46亿 | | 688008 | 澜起科技 | 160.02 | 11.90% | 90.35万 | | 140.54亿 | | 688536 | 思瑞浦 | 196.63 | 11.01% | 9.29万 | ...

今日（1月21日）科创板大涨，创业板亦有亮眼表现，覆盖科创板+创业板高成长龙头的硬科技宽基——双创龙头ETF（588330）场内价格盘中涨超3.1%， 现涨2.51%。 | 序号 | 名称 | 涨跌幅 | 两日图 | 申万一级行业 | 由万 级行业 | 由万三级行业 | 总市值 | 成交额 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | 成本中科 | 20.00% | | | 未言体 | 数字芯片设计 | 713亿 | 21.53亿 | | 2 | 漏起科技 | 13.96% | | | 半导体 | 数字芯片设计 | 1868亿 | 118.41亿 | | 3 | 海光信息 | 13.63% | | | 未言体 | 数字芯片设计 | 6714亿 | 153.75亿 | | 4 | 三环集团 | 6.32% | | | 元件 | 被动力性 | 1022亿 | 11.95亿 | | 5 | 芯原股份 | 5.71% | | | 半导体 | 数字芯片设计 | 1035亿 | 41.21亿 | | 6 | 去邦股份 | 5.64% | | | ...

存储芯片板块活跃，龙芯中科开盘即20CM涨停，海光信息大涨13%，带动集成电路ETF涨超5%，年内 涨超18%。 集成电路ETF跟踪中证全指集成电路指数，是布局全产业链芯片龙头的便捷工具，权重股包括寒武纪、 中芯国际、海光信息、兆易创新、澜起科技、豪威集团、紫光国微、长电科技、芯原股份、通富微电等 公司。 消息面上，韩国两大存储芯片巨头三星电子和SK海力士据报将继续削减NAND闪存产量，或加剧供应 短缺情况。据韩媒援引市场研究机构Omdia数据称，三星电子今年NAND晶圆产量将从去年的490万片 降至468万片，甚至低于2024年因盈利能力恶化而实施的减产水平。SK海力士的NAND产量也将从去年 约190万片降至今年的170万片。 此外，美光科技近日表示，过去一个季度内存芯片短缺的情况愈演愈 烈，并重申由于人工智能基础设施所需的高端半导体需求激增，这种短缺状况将持续到今年以后。 集邦咨询报告显示，全球8英寸晶圆供需正步入失衡期。受台积电、三星电子战略性削减产能影响， 2026年全球8英寸代工总产能将萎缩2.4%。而AI驱动的电源管理芯片(Power IC)等产品需求维持强劲， 正拉动行业平均产能利用率回升至9 ...

Core Viewpoint - The A-share market showed positive momentum with the ChiNext 50 Index increasing by 4%, driven by strong performance in the storage chip sector and significant trading volume in the ChiNext 50 ETF [1] Group 1: Market Performance - The ChiNext 50 Index opened lower but turned positive, with a maximum increase of 4.29% for the ChiNext 50 ETF (588000) [1] - The trading volume for the ChiNext 50 ETF reached 4.643 billion yuan [1] Group 2: Sector Highlights - The storage chip sector was particularly active, with Longxin Zhongke hitting the daily limit, Haiguang Information rising by 16.05%, and other companies like Lanke Technology and Zhongkong Technology also showing significant gains [1] - The electronic industry constitutes 70.35% of the holdings in the ChiNext 50 Index, aligning well with the development of advanced sectors such as artificial intelligence and robotics [1] Group 3: Future Outlook - Open Source Securities anticipates that TSMC's increased capital expenditure will boost expectations for advanced process capacity expansion [1] - High-end advanced packaging, essential for AI chips, is expected to see significant demand growth as manufacturing capacity is released [1] - Investors optimistic about China's hard technology development are encouraged to continue monitoring the sector [1]

国金证券观点显示，央企科技ETF具备多维度投资逻辑；在航天领域，商业航天产业化加速，卫星数量 与单星面积双增，UTG玻璃作为关键封装材料需求明确，钙钛矿发展带动TCO玻璃需求；电子材料方 面，载板提价反映行业高景气，AI芯片与消费电子争夺产能，技术变革扩大low-CTE电子布、载体铜箔 等材料需求。央企在航天、电子材料等科技领域具备技术与资源优势，相关板块成长空间广阔，央企科 技ETF有望受益于这些领域的发展机遇。 此外，央国企方面，年初央国企重大投资呈现高度战略聚焦，以服务国家"三重保障"为核心导向，项目 多集中于现代基础设施与前沿技术领域；其推进模式强调从顶层设计、央企主导到地方与产业链协同的 系统性，并注重长远效益与自主可控，奠定了全年高质量发展的基调，有望为"十五五"开局之年高质量 发展注入新动能。 央企科技ETF南方(560170.SH)跟踪中证国新央企科技引领指数，该指数由国新投资有限公司定制，主要 选取业务涉及航空航天与国防、半导体、计算机、通信设备及技术服务等行业的50 只央企上市公司证 券作为指数样本，以反映央企科技主题上市公司证券的整体表现；央企科技板块在政策呵护、产业催 化、国防安全刚性 ...

今日（1.21），芯片板块高歌猛进，全市场费率最低档的芯片50ETF（516920）放量大涨超4%，盘中成交额8000万元！资金面上，芯片50ETF （516920）已连续2天获资金青睐，累计"吸金"超3800万元！ 消息面上，根据KeyBanc的数据，Intel与AMD为应对供需失衡并确保后续供应稳定，计划将服务器CPU价格上调10%-15%。同时，2026年Intel与 AMD的服务器CPU产能已基本预售完毕。 此外，全球存储需求结构性增长。近期，花旗集团显著上调存储巨头目标价，资产管理公司ClearBridge Investments也指出，由人工智能发展所 驱动的存储芯片需求，目前被市场显著低估。美光科技高管亦强调，内存芯片短缺在过去一个季度持续加剧，核心原因在于人工智能基础设施 建设对高端半导体的需求呈现爆发式增长。 芯片50ETF（516920）标的指数成分股多数飘红：海光信息涨超16%，澜起科技涨超11%，兆易创新涨超6%，中芯国际涨超4%，寒武纪-U涨超 2%。值得关注的是，芯片50ETF（516920）标的指数成分股中，不仅包含科创板芯片龙头，也囊括了北方华创、兆易创新、豪威集团、长电科 技 ...

Investment Rating - The report maintains an "Outperform" rating for the AI industry [1] Core Insights - The capital expenditure (Capex) guidance from major overseas companies is optimistic, with a continuous upward trend in computing power expected through 2026. The total Capex for Microsoft, Google, Amazon, and Meta is projected to reach $406.5 billion in 2025 and $596.4 billion in 2026, representing year-on-year growth of 46% and 47% respectively [3][5][22] - The demand for AI-related infrastructure is driving significant upgrades in interconnects, cooling, and power supply sectors, indicating a long-term growth cycle distinct from previous technology cycles [3][4] Summary by Sections 1. Overseas Major Companies' Capex Guidance - Major companies like Microsoft, Google, Amazon, and Meta are expected to increase their Capex significantly, with projections of $186.4 billion, $139.5 billion, $162.5 billion, and $108 billion respectively for 2026 [6][7][14][18][21] - The overall Capex for these four companies is expected to account for 62% of the global AI-related Capex, which is projected to reach $960 billion by 2026 [22][23] 2. Interconnect Sector: Optical Modules and PCBs - The interconnect sector is experiencing a fundamental shift in demand due to AI server cluster construction, leading to simultaneous upgrades in computing boards, switches, and optical modules, which will increase both demand and pricing [3][4] - The deployment of 800G technology is expected to accelerate, with 1.6T technology entering the introduction phase [3] 3. Cooling Sector: Liquid Cooling Demand - The power density of AI GPU racks is projected to rise from 130 kW in 2024 to over 1 MW by 2029, making liquid cooling technology essential [3][4] 4. Power Supply Sector: AIDC Power Distribution Evolution - The evolution of AIDC power distribution methods is crucial, with a focus on HVDC and SST technologies to enhance system efficiency and reduce energy losses [3][4] 5. Investment Recommendations - The report suggests focusing on specific companies within various sectors: - Computing power: Haiguang Information - Interconnects - Optical modules: LightSpeed Technology, Huagong Technology - Interconnects - PCBs: Shenghong Technology, Shennan Circuits, and others - Cooling: Invec - Power supply: Magpow [3][4]