Market Overview - The Shanghai Composite Index fell by 0.51% on December 3rd, with six industries rising, led by transportation and non-ferrous metals, which increased by 0.69% and 0.63% respectively. The media and computer sectors experienced the largest declines, down by 2.86% and 2.26% respectively [2] Capital Flow Analysis - The net outflow of capital from the two markets reached 57.883 billion yuan, with only three industries seeing net inflows. The non-ferrous metals industry had a net inflow of 4.407 billion yuan, followed by coal with 0.235 billion yuan, and transportation with 0.00533 billion yuan [2] - A total of 28 industries experienced net outflows, with the computer industry leading with a net outflow of 9.185 billion yuan, followed by the electronics industry with an outflow of 8.163 billion yuan. Other industries with significant outflows included power equipment, communication, and media [2] Electronics Industry Performance - The electronics industry declined by 0.93%, with a total net outflow of 8.163 billion yuan. Out of 471 stocks in this sector, 95 rose, including 5 that hit the daily limit, while 368 fell [3] - Within the electronics sector, 115 stocks saw net inflows, with 14 stocks receiving over 100 million yuan. The top inflow was from BOE Technology Group, which attracted 1.134 billion yuan, followed by Huaying Technology and TCL Technology with inflows of 0.940 billion yuan and 0.743 billion yuan respectively [3] - The stocks with the largest net outflows included Sai Microelectronics, Shannon Microelectronics, and Changying Precision, with outflows of 1.125 billion yuan, 0.841 billion yuan, and 0.807 billion yuan respectively [3][5] Top Gainers in Electronics - The top gainers in the electronics sector included: - BOE Technology Group: +3.87%, turnover rate 3.54%, net inflow 1.134 billion yuan - Huaying Technology: +10.02%, turnover rate 18.93%, net inflow 0.940 billion yuan - TCL Technology: +4.08%, turnover rate 3.93%, net inflow 0.743 billion yuan [4] Top Losers in Electronics - The top losers in the electronics sector included: - Sai Microelectronics: -19.56%, turnover rate 32.06%, net outflow -1.125 billion yuan - Shannon Microelectronics: -2.99%, turnover rate 8.13%, net outflow -0.841 billion yuan - Changying Precision: -6.35%, turnover rate 11.37%, net outflow -0.807 billion yuan [5]

公司昨日晚间发布风险提示称，公司股价2025年年初至今涨幅高达252.84%，且近期换手率及成交量急 剧放大，存在市场情绪过热的情形，可能存在股价大幅上涨后回落的风险。敬请广大投资者秉持长期价 值投资理念，客观分析公司当前所处发展阶段及业务进展情况，充分了解二级市场交易风险，审慎决 策、理性投资，注意投资风险。 赛微电子（300456）3日盘中大幅跳水，截至发稿，该股跌逾19%，成交近100亿元。此前的10个交易 日，该股累计涨约118%。 公司当前核心业务为MEMS工艺开发及晶圆制造，具有长周期、重资产特征，产能利用率、良率的爬坡 等需遵循客观规律，业务的积累和发展需要一个客观的过程和时间。今年以来公司发起的投资活动，主 要着眼于中长期布局，短期对公司业绩及产业链支撑作用可能有限，中长期影响有待观察，近期公司经 营情况及内外部经营环境未发生重大变化。 ...

Core Insights - As of December 2, a total of 128 stocks in the Shanghai and Shenzhen markets have experienced net buying through financing for five consecutive days or more [1] - The stock with the longest consecutive net buying days is Zhongchen Technology, which has seen net buying for 12 trading days [1] - Other notable stocks with significant consecutive net buying days include Saiwei Electronics, Hunan Gold, Huaxi Securities, Huada Technology, Shanghai Airport, Zhejiang Xinneng, Xiangyang Bearing, and Nanwei Medical [1]

Group 1 - Muxi Co., Ltd. announced an online roadshow for its initial public offering on December 4, 2025, from 9:00 to 12:00 [2] - Jiangbolong plans to raise no more than 3.7 billion yuan for AI-related high-end storage research and development, semiconductor storage main control chip projects, and working capital [2] - Aike Co., Ltd. intends to acquire 100% equity of Dongguan Qixiang for 2.2 billion yuan, focusing on liquid cooling product lines, which have started generating revenue in 2024 [2] Group 2 - Dream Home reported a cumulative price increase of over 100% in the last 10 trading days, indicating severe stock trading volatility [3] - Saiwei Electronics stated that its core business is MEMS process development and wafer manufacturing, with short-term investment activities having limited impact on performance [3] - Shunhao Co., Ltd. noted significant price fluctuations due to the commercial space concept stocks, with a 1.1 billion yuan investment in Tida Chuang [4] Group 3 - Daoming Optics clarified that it does not have any AI mobile phone-related business despite recent media discussions [5] - Tianpu Co., Ltd. completed its stock trading review and will resume trading on December 3, 2025, after a significant price increase of 451.80% since August 22 [6] - *ST Zhengping announced the completion of its stock trading review, with resumption on December 3, 2025, while facing uncertainties regarding its financial audits and potential delisting [7] Group 4 - Ningbo Port expects a 10.8% year-on-year increase in container throughput for November [8] - Pulaike plans to acquire control of Zhongpu Biological by purchasing shares from CITIC Agriculture [8] - Pengling Co., Ltd. intends to invest 30 million yuan to acquire an 8.49% stake in Wuhan Liyan [8]

智通财经APP讯，赛微电子(300456.SZ)发布公告，公司股票在连续十个交易日(2025年11月18日至2025 年12月2日)内收盘价格涨幅偏离值累计超过100%，根据《深圳证券交易所交易规则》的有关规定，属 于股票交易严重异常波动情形。公司当前核心业务为MEMS工艺开发及晶圆制造，具有长周期、重资产 特征，产能利用率、良率的爬坡等需遵循客观规律，业务的积累和发展需要一个客观的过程和时间。今 年以来公司发起的投资活动，主要着眼于中长期布局，短期对公司业绩及产业链支撑作用可能有限，中 长期影响有待观察，近期公司经营情况及内外部经营环境未发生重大变化。 ...

Market Overview - The A-share market saw all three major indices close lower, with a total trading volume of 1.6 trillion yuan, a decrease of over 280 billion yuan compared to the previous trading day [1] - Over 1,500 stocks rose, with 55 stocks hitting the daily limit up [1] - The pharmaceutical sector led the gains, with stocks like Renmin Tongtai and Kaikai Industrial hitting the limit up [1] Investor Activity - In November, 2.3717 million new A-share accounts were opened, an increase of 69,500 accounts or 3.02% month-on-month [1] - Cumulatively, 24.7467 million new accounts were opened in the first 11 months, bringing the total number of individual A-share accounts to 394 million as of November 30, 2025 [1] Institutional Trading - In today's trading, 16 stocks were net bought by institutions, with four stocks seeing net purchases exceeding 100 million yuan [3] - Aerospace Development topped the list with a net purchase of 167 million yuan, followed by Shunhao Co. with 150 million yuan [4] Stock Performance - Notable stocks with significant institutional net buying include: - Aerospace Development: 16.35 yuan, up 10.03%, net buying of 167.38 million yuan [4] - Shunhao Co.: 9.71 yuan, up 9.97%, net buying of 150.48 million yuan [4] - Saiwei Electronics: 58.43 yuan, up 15.27%, net buying of 113.18 million yuan [4] - Guanghe Dao: 34.40 yuan, up 6.24%, net buying of 104.16 million yuan [4] Corporate Announcements - Aikang Co. plans to acquire 100% of Dongguan Silicon Xiang for 2.2 billion yuan, with the transaction expected to constitute a major asset restructuring [6] - Ningde Times has repurchased 15.9908 million A-shares for a total of 4.386 billion yuan as of November 30 [6] - Xi'an Yicai plans to invest approximately 12.5 billion yuan in a silicon material base project in Wuhan [6] Future Developments - Jiangbolong intends to raise no more than 3.7 billion yuan for high-end memory research and development in the AI field [8] - Zhongding Co. plans to issue convertible bonds to raise no more than 2.5 billion yuan for projects related to intelligent robots [7]

编辑：王媛媛 新华财经北京12月2日电 赛微电子12月2日晚间发布股票交易严重异常波动公告称，公司股价2025年年 初至今涨幅高达252.84%，且近期换手率及成交量急剧放大，存在市场情绪过热的情形，可能存在股价 大幅上涨后回落的风险。请广大投资者秉持长期价值投资理念，客观分析公司当前所处发展阶段及业务 进展情况，充分了解二级市场交易风险，审慎决策、理性投资，注意投资风险。 赛微电子表示，公司股票在连续十个交易日内收盘价格涨幅偏离值累计超过100%，属于股票交易严重 异常波动情形。公司当前核心业务为MEMS工艺开发及晶圆制造，具有长周期、重资产特征，产能利用 率、良率的爬坡等需遵循客观规律，业务的积累和发展需要一个客观的过程和时间。今年以来公司发起 的投资活动，主要着眼于中长期布局，短期对公司业绩及产业链支撑作用可能有限，中长期影响有待观 察，近期公司经营情况及内外部经营环境未发生重大变化。 赛微电子称，中证指数有限公司的最新数据显示，公司市盈率PE（TTM）为24.36倍，公司所属中上协 行业分类"计算机、通信和其他电子设备制造行业"市盈率PE（TTM）均值为48.62倍，公司市盈率低于 同行业市盈率均值原 ...

Core Viewpoint - Saiwei Electronics has experienced a significant surge in stock price, driven by its close association with Google's TPU technology and the recent release of Google's Gemini3 model, which has garnered positive reviews and optimistic market expectations for TPU sales [2][4]. Group 1: Stock Performance - On December 2, Saiwei Electronics' stock rose by 15.27%, reaching a market capitalization of 42.78 billion yuan and closing at 58.43 yuan, marking a new historical high [2][3]. - Over the past month, the stock has seen a cumulative increase of 139%, largely attributed to the AI wave initiated by Google [4]. Group 2: Industry Context - Google's recent advancements in AI, particularly the release of the seventh-generation TPU "Ironwood" and the Gemini3 model, have led to heightened optimism regarding the TPU supply chain, with projected production increases from approximately 3 million units in 2027 to about 5 million units, and from 3.2 million units in 2028 to around 7 million units [4]. - There are rumors that Meta is planning to invest billions in purchasing TPUs, which could help Google capture 10% of Nvidia's annual revenue [4]. Group 3: Company Operations - Saiwei Electronics specializes in MEMS chip manufacturing and operates under a Pure-Foundry model, aligning closely with Google's TPU architecture, which incorporates OCS switches that utilize MEMS technology [5]. - The company holds a 45.24% stake in Swedish firm Silex, which has established a connection with Google through MEMS-OCS orders [5][7]. - Saiwei's Beijing facility has an existing MEMS wafer production capacity of 15,000 pieces per month, with plans for further expansion [5]. Group 4: Strategic Moves - The company has actively sought growth opportunities, transitioning from its original focus on inertial navigation products to a more diversified portfolio that includes MEMS and semiconductor technologies [9][10]. - Recent acquisitions include a 56.24% stake in Zhan Cheng Technology and investments in companies involved in IC design and EDA software, indicating a strategic pivot towards self-sufficiency in semiconductor technology [11]. Group 5: Leadership and Management - The company's actual controller, Yang Yunchun, has a background in high-precision navigation and has been instrumental in the company's strategic direction and capital operations [12]. - Yang has a history of capital management, including significant stock purchases during market downturns and subsequent reductions in holdings as the company's stock price increased [13][14].

Core Viewpoint - The potential shift of Meta to use Google's Tensor Processing Units (TPUs) in its data centers instead of NVIDIA products has led to increased market attention on TPU concept stocks, particularly on Saiwei Electronics, which has seen a significant stock price increase of over 118% from November 19 to December 2 [2][5]. Company Overview - Saiwei Electronics, established in May 2008 and listed on the Shenzhen Stock Exchange in May 2015, is a leading global high-end integrated circuit chip wafer manufacturer with proprietary intellectual property and core semiconductor manufacturing technologies [5]. - The company's core business focuses on Micro-Electro-Mechanical Systems (MEMS) process development and wafer manufacturing, maintaining a top position in the global MEMS pure foundry market from 2019 to 2023 [5][9]. Market Dynamics - The introduction of Optical Circuit Switches (OCS) by Google is a key technological variable driving the current surge in demand for MEMS chips, as it enhances data center efficiency and sets new architectural standards for next-generation intelligent computing networks [7][8]. - Google's OCS technology has reportedly improved network throughput by 30% and reduced power consumption by 40%, indicating a significant shift in data center architecture towards dynamic photonic interconnections [8]. Financial Implications - Morgan Stanley has significantly raised its forecast for Google's TPU production, predicting an increase from approximately 3 million units in 2027 to 5 million units, representing a 67% increase, and from about 3.2 million units in 2028 to 7 million units, a 120% increase [10]. - Each sale of 500,000 TPU chips could potentially generate an additional $13 billion in revenue for Google in 2027, highlighting the substantial financial impact of expanding TPU sales [10]. Industry Opportunities - The anticipated growth in demand for MEMS-OCS due to the integration with Google's TPU presents a significant market opportunity, with projections indicating a potential market size in the billions [10]. - Saiwei Electronics is positioned to benefit from this trend, as its MEMS technology is crucial for the implementation of OCS networks, offering advantages such as low crosstalk and scalability [9].

12月2日，赛微电子公告，公司股票在连续十个交易日内收盘价格涨幅偏离值累计超过100%，属于股票 交易严重异常波动情形。公司当前核心业务为MEMS工艺开发及晶圆制造，具有长周期、重资产特征， 产能利用率、良率的爬坡等需遵循客观规律，业务的积累和发展需要一个客观的过程和时间。今年以来 公司发起的投资活动，主要着眼于中长期布局，短期对公司业绩及产业链支撑作用可能有限，中长期影 响有待观察，近期公司经营情况及内外部经营环境未发生重大变化。 ...