Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Insights - The report emphasizes the significant "siphon effect" of AI and the accelerated development of satellite internet, recommending a focus on the dual core themes of "AI + Satellite" and four key segments: "Optical + Liquid Cooling + Domestic Computing Power + Satellite" [5][15] - It highlights the expected growth in AI applications, particularly in voice and image recognition technologies, which will drive demand for smart computing modules and CDN services [7][17] - The report notes the increasing importance of satellite internet as a core component of 6G, driven by national policies emphasizing self-sufficiency and technological upgrades [8][18] Summary by Sections 1. Investment Outlook for 2026 - The report suggests actively positioning in multiple sub-sectors, focusing on "AI + Satellite" as the main investment themes for 2026 [5][15] 2. Key Segments for 2026 Segment One: Global AI Resonance - 2026 is projected to be the year of significant deployment for 1.6T optical modules, with advancements in silicon photonics technology expected to become mainstream [6][16] - The report anticipates a substantial increase in the penetration rate of liquid cooling technologies, driven by the release of new computing power chips from major companies [6][16] Segment Two: AI Applications - The development of AI toys and applications is expected to accelerate, leading to increased demand for intelligent computing modules and CDN services [7][17] Segment Three: Satellite Internet Development - The report identifies four key areas of focus within the satellite internet sector: satellite manufacturing, launch, ground equipment, and operations, all of which are expected to benefit from increased demand and government support [8][18] 3. Investment Recommendations - The report recommends specific companies across various segments, including optical network equipment, computing devices, and AI applications, highlighting potential beneficiaries in each category [19][20][26][27] 4. Market Review - The communication index experienced a decline of 1.41% during the week of December 29 to December 31, 2025, ranking fourth among TMT sectors [28] 5. Communication Data Tracking - As of November 2025, China had a total of 4.83 million 5G base stations, with 5G mobile phone users reaching 1.193 billion, marking a year-on-year growth of 19.06% [29][34]

Group 1 - The core point of the article highlights the performance and market position of Shengke Communication, which saw a decline of 1.18% in its stock price, currently at 138.70 yuan per share, with a total market capitalization of 56.867 billion yuan [1] - Shengke Communication, established on January 31, 2005, specializes in the research, design, and sales of Ethernet switching chips and related products, with its main revenue sources being Ethernet switching chips (72.43%), Ethernet switching chip modules (11.94%), Ethernet switches (10.48%), customized solutions and others (3.18%), and licensing (1.97%) [1] Group 2 - From the perspective of major circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) reduced its holdings by 52,000 shares in the third quarter, now holding 1.8064 million shares, which represents 0.89% of the circulating shares, resulting in an estimated floating loss of approximately 2.9806 million yuan [2] - The Southern CSI 500 ETF, established on February 6, 2013, has a current scale of 140.098 billion yuan, with a year-to-date return of 32.01% and a one-year return of 28.13%, ranking 1580 out of 4195 and 1661 out of 4179 respectively [2]

Core Viewpoint - The Gigabit Layer 3 switch is a high-performance network device that integrates Layer 2 MAC address switching and Layer 3 IP routing functions, with port speeds reaching gigabit and above, widely used in the core and aggregation layers of local area networks (LANs) [1] Industry Overview - The Gigabit Layer 3 switch market is expected to reach a scale of 22.66 billion yuan in 2024, significantly higher than the overall switch industry growth rate, driven by digital transformation and supportive policies in China [1][12] - The industry has a clear division of labor in its supply chain, with domestic manufacturers gradually achieving self-replacement in core components, focusing on technological upgrades such as 400G ports and silicon photonics integration [1][9] Industry Policies - Recent policies in China, including the "Action Plan for High-Quality Development of Computing Power Infrastructure" and the "Implementation Opinions on Promoting the Construction of a National Integrated Computing Network," have created favorable conditions for the Gigabit Layer 3 switch industry, driving demand in data centers, enterprise networks, and industrial internet [8][9] Industry Chain - The industry chain consists of upstream core components and materials, midstream equipment R&D and manufacturing, and downstream applications in various sectors such as data centers, enterprise networks, and government services [9][10] - The demand for Gigabit Layer 3 switches is driven by the digital transformation of various industries, with data centers being the largest and most technology-driven segment [10][11] Current Development Status - The overall switch market in China is projected to reach 42.36 billion yuan in 2024, with the Gigabit Layer 3 switch segment benefiting from the "East Data West Computing" initiative and the increasing demand for high-reliability, low-latency networking equipment [12][13] Future Development Trends - The Gigabit Layer 3 switch industry is expected to evolve towards intelligent and high-speed technology, localized market scenarios, and green safety development [13] - Key trends include the integration of AI and SDN/NFV technologies for intelligent traffic management, a focus on domestic manufacturers gaining market share, and an emphasis on green and secure product features [14][15]

Market Performance - The A-share semiconductor sector experienced a significant decline, with notable stocks such as Chipone Technology falling over 10% and Fuxin Technology and Zhongli Group dropping by 9% [1][2] - The semiconductor index (886063) decreased by 1.76%, closing at 7326.63, down 131.03 points [2] - In the Hong Kong market, the Hang Seng Technology Index fell by 2%, with Huahong Semiconductor down over 7% and SMIC down 4% [3][4] Stock Specifics - Chipone Technology (688521.SH) saw a decline of 10.49%, closing at 133.40 [2] - Fuxin Technology (688662.SH) dropped by 9.25%, closing at 53.54 [2] - Zhongli Group (002309.SZ) fell by 9%, closing at 3.64 [2] - Other notable declines included Shengke Communication (-8.22%), Guosheng Technology (-7.12%), and Canxin Technology (-6.24%) [2][3] Broader Industry Trends - The overall trend in the semiconductor industry indicates a bearish sentiment, with multiple companies experiencing significant stock price drops [1][3] - The decline in the semiconductor sector is reflected in both A-share and Hong Kong markets, suggesting a broader industry challenge [3][4]

Core Viewpoint - The periodic sample adjustment of various indices, including the Shanghai Stock Exchange 50 and ChiNext indices, is set to take effect, reflecting a shift towards including more emerging industry leaders and enhancing the technology attributes of these indices [1][9]. Index Adjustments - The Shanghai Stock Exchange 50 Index will replace 4 samples, while the Shanghai 180 Index will replace 7 samples, and the Shanghai 380 Index will replace 38 samples [1]. - The ChiNext Index will see 8 samples replaced, with notable additions including companies like Aosheng Technology and Shenghong Technology [1][3]. - The CSI 500 Index will replace 50 samples, and the CSI 1000 Index will replace 100 samples, indicating a significant overhaul [1]. Emerging Industry Focus - The adjustments will increase the representation of strategic emerging industries, with the ChiNext Index's strategic emerging industry weight reaching 93% [9]. - The new sample companies have shown a 13% year-on-year increase in R&D expenses, with 30 companies having an R&D intensity exceeding 10% [9]. - The weight of strategic emerging industries in the ChiNext 50 Index is now at 98%, with new generation information technology industries, such as artificial intelligence and chips, accounting for 45% [9]. ETF Rebalancing - Following the index adjustments, ETFs tracking these indices will also undergo rebalancing to align with the new sample compositions [8].

Group 1 - The core point of the news is that Shengke Communication-U experienced significant trading activity on December 12, with a total transaction volume of 277,800 shares and a transaction amount of 40.47 million yuan, all at a price of 145.70 yuan per share [2][3] - Institutional special seats participated in both buy and sell sides of the transactions, resulting in a net purchase amount of 40.47 million yuan [2] - The closing price of Shengke Communication-U on the same day was 145.70 yuan, reflecting an increase of 2.57%, with a daily turnover rate of 4.67% and a total trading volume of 1.352 billion yuan, indicating a net inflow of 278 million yuan from major funds [2] Group 2 - The latest margin financing balance for Shengke Communication-U is 425 million yuan, with an increase of 5.8559 million yuan over the past five days, representing a growth rate of 1.40% [3] - Shengke Communication Co., Ltd. was established on January 31, 2005, with a registered capital of 410 million yuan [3] - Detailed trading data on December 12 shows that the majority of transactions were conducted by institutional special seats, with specific amounts and prices listed for each transaction [3]

Core Points - A total of 44 stocks on the Sci-Tech Innovation Board (STAR Market) experienced block trading today, with a cumulative transaction amount of 6.92 billion yuan [2][3] Group 1: Trading Overview - On December 12, there were 105 block trades involving 44 Sci-Tech Innovation Board stocks, with a total trading volume of 15.35 million shares and a total transaction value of 6.92 billion yuan [2] - The stock with the highest transaction amount was Hu Silicon Industry, with a trading volume of 4.20 million shares and a transaction value of 87.19 million yuan [2][3] - Other notable stocks in terms of transaction value included Jintian Titanium Industry and Aojie Technology, with transaction amounts of 56.02 million yuan and 49.43 million yuan, respectively [2] Group 2: Price and Performance Analysis - The average discount rates for block trades relative to the closing prices were significant for several stocks, with Yutai Micro, Nanchip Technology, and Guoguang Electric having discount rates of 21.89%, 20.61%, and 19.02%, respectively [2] - The STAR 50 Index rose by 1.74% today, with 398 stocks (66.89%) on the Sci-Tech Innovation Board experiencing price increases [2] - The average increase for stocks involved in block trading was 3.25%, with the highest increases seen in Hehe Information, Shijia Photon, and Tuojing Technology, which rose by 13.80%, 11.45%, and 8.62%, respectively [2] Group 3: Institutional Participation - Among the block trades, there were 65 transactions involving institutional buyers or sellers across 37 stocks [3] - The leading institutional purchases were in Hu Silicon Industry, Aojie Technology, and Shengke Communication, with purchase amounts of 87.19 million yuan, 49.43 million yuan, and 40.47 million yuan, respectively [3] - Conversely, the top institutional sales were in Lanqi Technology, Zhongwei Company, and Haiguang Information, with sales amounts of 36.72 million yuan, 30.44 million yuan, and 24.19 million yuan, respectively [3] Group 4: Capital Flow - Among the stocks involved in block trading, 22 stocks saw net inflows of capital, with the highest net inflows in Shijia Photon, Aojie Technology, and Shengke Communication, amounting to 458 million yuan, 317 million yuan, and 278 million yuan, respectively [3] - The stocks with the largest net outflows included Hanwujing, Haiguang Information, and Lanqi Technology, with net outflows of 2.096 billion yuan, 893 million yuan, and 523 million yuan, respectively [3]

Core Insights - The National Big Fund concept stock rose by 2.81%, ranking 6th among concept sectors, with 41 stocks increasing in value, led by Yandong Microelectronics, Saiwei Electronics, and Zhongke Feicai, which rose by 16.84%, 11.52%, and 10.63% respectively [1][2] Group 1: Market Performance - The National Big Fund concept sector saw a net inflow of 767 million yuan, with 24 stocks receiving net inflows, and 9 stocks exceeding 100 million yuan in net inflow [2] - The top net inflow stock was Shengke Communication, with a net inflow of 278 million yuan, followed by Jiangbolong, Zhongke International, and Changchuan Technology with net inflows of 246 million yuan, 215 million yuan, and 198 million yuan respectively [2][3] Group 2: Stock Performance - The stocks with the highest net inflow ratios included Shengke Communication at 20.59%, Jingrui Electric Materials at 6.43%, and Nanda Optoelectronics at 5.57% [3] - Notable performers in the National Big Fund concept included Shengke Communication (2.57% increase), Jiangbolong (2.53% increase), and Zhongke International (2.81% increase) [3][4] Group 3: Declining Stocks - The stocks with the largest declines included Huahong Company, which fell by 1.25%, Hushi Silicon Industry by 1.22%, and Xi'an Yicai by 0.93% [1][5] - Other notable declines were seen in Zhongwei Company (4.29% increase) and Hushi Silicon Industry (1.22% decrease) [5]

Core Points - The company held its first extraordinary general meeting of shareholders on December 4, 2025, where it approved the proposal to cancel the supervisory board and amend the Articles of Association [1] - The board of directors will consist of 9 members, including 1 employee representative director, following the structural adjustment [1] - SUN JIANYONG submitted his resignation on December 10, 2025, and was subsequently elected as the employee representative director [1][2] Board Changes - SUN JIANYONG's resignation does not reduce the board's membership below the legal minimum, ensuring the board's normal operation and daily business activities remain unaffected [1] - After his election as the employee representative director, the total number of directors who are also senior management or employee representatives does not exceed half of the total board members, complying with relevant laws and regulations [3] Shareholding Information - As of the announcement date, SUN JIANYONG does not directly hold shares in the company but indirectly holds 10.597932 million shares through various partnerships [2][5] - SUN JIANYONG has been involved with significant shareholders of the company since November 2004 and has no other relationships that would disqualify him from serving as a director [5]

（文章来源：证券日报） 证券日报网讯 12月11日晚间，盛科通信发布公告称，公司于2025年12月10日收到董事SUNJIANYONG 先生提交的书面辞职报告。同日，公司召开职工代表大会并作出决议，选举SUNJIANYONG先生为公 司第二届董事会职工代表董事。 ...