Core Viewpoint - The company announced an abnormal fluctuation in its stock trading, with a cumulative price increase exceeding 30% over two consecutive trading days on December 5 and December 8, 2025 [1] Summary by Relevant Sections - **Stock Performance** The company's stock experienced a significant price increase, with a cumulative fluctuation of over 30% in just two trading days [1] - **Company's Disclosure** The company confirmed that there are no corrections or supplements needed for previously disclosed information, and there have been no significant changes in its operational situation or external business environment [1] - **Insider Trading** The company, its controlling shareholders, and actual controllers have not engaged in any buying or selling of the company's stock during the period of abnormal trading activity [1]

证券代码：301183 证券简称：东田微 公告编号：2025-044 湖北东田微科技股份有限公司 股票交易异常波动公告 湖北东田微科技股份有限公司（以下简称"公司"）股票于 2025 年 12 月 5 日、 12 月 8 日连续两个交易日收盘价格涨幅偏离值累计超过 30%，根据《深圳证券 交易所交易规则》，属于股票异常波动的情形。 二、公司关注并核实情况的说明 针对公司股票异常波动，公司对有关事项进行了核查，有关情况说明如下： （一）公司前期披露的信息不存在需要更正、补充之处； （二）公司未发现近期公共传媒报道了可能或已经对本公司股票交易价格产 生较大影响的未公开重大信息； （三）近期公司经营情况及内外部经营环境未发生重大变化； （四）经核查，公司、控股股东和实际控制人不存在关于本公司的应披露而 未披露的重大事项，或处于筹划阶段的重大事项； （五）经核查，公司控股股东、实际控制人在股票异动期间不存在买卖公司 股票的行为； 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 一、股票交易异常波动情况 （六）经自查，公司不存在违反公平信息披露规定的其他情形。 2025 ...

今早，开盘第1个小时，CPO板块成交达到了约1100亿元，而整个板块几乎是全线上扬，板块指数涨幅 超过5%。其中，天孚通信更是一度20%封板，东田微20%封死涨停，源杰科技涨超10%，长光华芯、仕 佳光子、中际旭创、永鼎股份涨超7%，股价均创出历史新高。"易中天"再加胜宏科技早盘成交超过400 亿元。分析人士认为，一方面，当下，年报进入预热期，算力板块业绩相对确定，可能有资金提前抢 路；另一方面，近期算力利好不断，除谷歌外，亚马逊又发布Trainium3，基于3纳米制程打造，性能较 Trainium2提升4倍，能效提升40%。泡沫论也被打破。（券商中国） ...

Core Viewpoint - The CPO sector has experienced a significant surge, with a trading volume of approximately 110 billion yuan in the first hour of trading, and the sector index rising over 5% [1][3]. Group 1: CPO Sector Performance - Major stocks in the CPO sector, such as Tianfu Communication and Dongtianwei, saw gains of 20% and reached their daily limit, while others like Yuanjie Technology and Changguang Huaxin increased by over 10% [1][3]. - A total of 17 stocks hit the daily limit or rose by more than 10%, indicating a clear trend of aggressive buying [3]. Group 2: Industry Catalysts - The recent positive developments in the computing power industry include the release of DeepSeek V3.2, which has achieved performance levels comparable to GPT-5, and Amazon's launch of Trainium3, which boasts a fourfold performance increase over its predecessor [3][4]. - The AI industry is experiencing a revolution, with significant advancements from major companies like Google, Amazon, and AMD, which have all denied the existence of an AI bubble, suggesting a positive outlook for AI development [4]. Group 3: Earnings Reports and Projections - The upcoming earnings reports are expected to show strong growth, particularly in sectors like military, media, power equipment, and electronics, with year-on-year profit growth rates of 60.7%, 57.1%, 50.5%, and 51.2% respectively [6]. - The computing power sector has shown remarkable performance, with companies like Dongtianwei and Zhongji Xuchuang reporting net profit growth rates of 99.2% and 90%, respectively [7]. - The domestic PCB industry, which holds over 50% of the global market share, is anticipated to benefit from the surge in AI computing demand, with a clear trend towards domestic production [7].

Market Overview - The Shanghai Composite Index increased by 0.73% today, with a trading volume of 1,019.90 million shares and a transaction value of 16,448.90 billion yuan, representing a 23.17% increase compared to the previous trading day [1]. Industry Performance - The top-performing sectors included: - **Communication**: Increased by 4.51%, with a transaction value of 1,361.95 billion yuan, up 27.30% from the previous day, led by Tianfu Communication, which rose by 20.00% [1]. - **Comprehensive**: Increased by 3.51%, with a transaction value of 52.36 billion yuan, up 79.04%, led by Yuegui Co., which rose by 6.62% [1]. - **Electronics**: Increased by 2.69%, with a transaction value of 3,141.21 billion yuan, up 31.05%, led by Dongtian Micro, which rose by 20.00% [1]. - The sectors with the largest declines included: - **Coal**: Decreased by 1.33%, with a transaction value of 97.91 billion yuan, up 32.84%, led by Huayang Co., which fell by 3.12% [2]. - **Food and Beverage**: Decreased by 0.47%, with a transaction value of 215.76 billion yuan, up 13.49%, led by Baoli Food, which fell by 2.67% [2]. - **Public Utilities**: Decreased by 0.38%, with a transaction value of 228.63 billion yuan, up 7.24%, led by Jingneng Thermal, which fell by 5.52% [2].

Market Overview - The market showed a clear recovery signal with major indices rising: Shanghai Composite Index up 0.62%, Shenzhen Component Index up 1.55%, and ChiNext Index up 3.02% [1] - Over 3,500 stocks increased in value, with trading volume surging by over 298 billion compared to the previous day [1] Policy Impact - Recent regulatory changes, including adjustments to risk factors for insurance companies, are expected to release more margin, providing a boost to the market [1] - The Chairman of the China Securities Regulatory Commission (CSRC) indicated that regulatory measures will enhance capital space and leverage limits for brokerages, improving capital efficiency [1] Sector Performance Financial Sector - The financial sector, particularly securities and insurance, experienced significant gains, with major firms like Industrial Securities leading the rise [2][5] - The CSRC's announcement regarding the expansion of capital space for brokerages is anticipated to benefit their margin trading and derivative businesses [5] Commercial Aerospace - The commercial aerospace sector saw strong performance, with companies like Longzhou Co. and Shunhao Co. achieving consecutive gains [4] - The sector is buoyed by positive news regarding the upcoming launch of a satellite manufacturing facility in Wenchang, aiming for significant revenue growth by 2027 [4] CPO Concept - The CPO (Cloud-based Processing Operations) concept surged, with companies like Dongtian Micro and Tianfu Communication hitting historical highs [6] - The demand for AI computing power is driving the global optical module industry towards significant upgrades, creating opportunities in this sector [6] Institutional Insights - Citic Securities noted that before any unexpected changes in domestic demand, market fluctuations and structural opportunities will be common [8] - Guojin Securities highlighted that the market's main line will gradually become clearer, with a positive cycle expected between the relaxation of non-bank financial institutions' constraints and the recovery of overall profitability [8]

Market Overview - The Shanghai Composite Index increased by 0.43% as of 10:29 AM, with a trading volume of 608.72 million shares and a transaction value of 965 billion yuan, representing a 31.11% increase compared to the previous trading day [1]. Industry Performance - The top-performing sectors included: - **Telecommunications**: Increased by 3.80%, with a transaction value of 870.50 billion yuan, led by Tianfu Communication, which rose by 16.64% [1]. - **Comprehensive**: Increased by 2.01%, with a transaction value of 30.29 billion yuan, led by Dongyangguang, which rose by 4.03% [1]. - **Defense and Military Industry**: Increased by 1.97%, with a transaction value of 603.60 billion yuan, led by Hengyu Xintong, which rose by 16.60% [1]. - The sectors with the largest declines included: - **Coal**: Decreased by 1.89%, with a transaction value of 59.55 billion yuan, led by Antai Group, which fell by 3.80% [2]. - **Steel**: Decreased by 1.17%, with a transaction value of 45.09 billion yuan, led by CITIC Special Steel, which fell by 3.95% [2]. - **Petroleum and Petrochemicals**: Decreased by 0.71%, with a transaction value of 45.01 billion yuan, led by Heshun Petroleum, which fell by 8.13% [2]. Detailed Industry Data - **Non-Bank Financials**: Increased by 1.86%, with a transaction value of 548.82 billion yuan, led by Industrial Securities, which rose by 10.00% [1]. - **Electronics**: Increased by 1.60%, with a transaction value of 1,705.96 billion yuan, led by Dongtianwei, which rose by 20.00% [1]. - **Computers**: Increased by 1.44%, with a transaction value of 686.69 billion yuan, led by Rongke Technology, which rose by 19.85% [1].

| 688313 仕佳光子 | | +7.67% | 92.81 | | --- | --- | --- | --- | | 688662 | 富信科技 | +7.62% | 43.62 | | 688195 | 腾景科技 | +6.87% | 172.81 | | 300812 | 易天股份 | +6.50% | 28.35 | | 000988 | 华工科技 | +6.49% | 79.74 | | 600105 | 永鼎股份 | +6.37% | 18.21 | | 300684 | 中石科技 | +6.09% | 44.43 | 编辑 ｜ 钉钉 12月8日，CPO概念股涨势扩大，截至发稿， 东田微20%涨停， 天孚通信涨近17%，源杰科技涨超 11%，长光华芯涨超10%，仕佳光子、永鼎股份涨超6%，股价盘中均创出历史新高。 | 代码 | 名称 | 涨幅 % v | 现价 | | --- | --- | --- | --- | | 301183 | 东盟微 | +20.00% | 164.14 | | 300394 | 天孚通信 | +16.73% | 232.01 | | 301486 | 致尚科技 ...

| 代码 | 名称 | 涨幅％v | 现价 | | --- | --- | --- | --- | | 301183 | 东田微 | +20.00% | 164.14 | | 300394 | 天孚通信 | +16.73% | 232.01 | | 301486 | 致尚科技 | +14.80% | 105.44 | | 301205 | 联特科技 | +11.78% | 135.51 | | 688498 | 源杰科技 | +11.70% | 668.99 | | 688205 | 德科立 | +11.51% | 135.49 | | 300757 | 罗博特科 | +11.10% | 240.30 | | 300620 | 光库科技 | +10.70% | 161.31 | | 688048 | 长光华芯 | +10.65% | 142.54 | | 001267 | 汇绿生态 | +10.03% | 20.30 | | 002792 | 通宇通讯 | +10.01% | 32.42 | | 003031 | 中瓷电子 | +10.01% | 59.37 | | 603738 | 泰晶科技 | +9.99 ...

Core Insights - The optical communication sector has seen a significant surge, with industry leaders like Zhongji Xuchuang and Tianfu Communication reaching historical highs, and several companies experiencing limit-up trading [1] - Major US companies such as Lumentum and Coherent have also reached historical highs, indicating a strong market trend towards optical connectivity [3] Group 1: Market Performance - On December 8, the optical communication sector collectively surged, with key players like Zhongji Xuchuang and Tianfu Communication hitting record highs [1] - Companies such as Huilv Ecology and Wantong Development also experienced limit-up trading, reflecting strong investor interest [1] Group 2: Industry Developments - Lumentum and Coherent reached historical highs on December 5, with LightCounting forecasting a continued shortage of EML and CW laser chips until the end of 2026 [3] - Marvell announced a $3.25 billion acquisition of Celestial AI to enhance its position in the optical connectivity market [3] Group 3: Supply Chain Insights - Optical isolators, crucial components in optical modules, are facing supply constraints due to a global shortage of Faraday rotator materials, which are monopolized by a few manufacturers in the US and Japan [4] - The demand for high-speed optical modules is surging, leading to a significant mismatch between supply and demand for isolators, which are expected to remain in short supply [4] Group 4: Future Projections - The demand for optical chips is projected to grow significantly, with LightCounting estimating a CAGR of 17% for the optical communication chip market from 2025 to 2030, increasing total sales from approximately $3.5 billion in 2024 to over $11 billion by 2030 [5] - Lumentum reported a 25%-30% supply gap in optical chips, with prices expected to rise by 2026 [5]