格隆汇12月22日丨光迅科技(002281.SZ)在互动平台表示，公司已经针对6G承载光网络可能涉及的光器 件模块开展技术预研。 ...

格隆汇12月22日丨光迅科技(002281.SZ)在互动平台表示，公司1.6T光模块产品已具备批量交付能力，具 体放量进度取决于市场及客户的需求情况。 ...

格隆汇12月22日丨光迅科技(002281.SZ)在互动平台表示，公司已经针对6G承载光网络可能涉及的光器 件模块开展技术预研。 ...

Market Performance - The F5G concept index declined by 0.44%, ranking among the top losers in the concept sector as of the market close on December 19 [1] - Notable decliners within the F5G sector included Dekoli, Dongtianwei, and Shijia Photon, while the top gainers were Hengtong Optic, Fenghuo Communication, and CITIC Heavy Industries, with respective increases of 5.13%, 4.83%, and 1.77% [1] Capital Flow - The F5G concept sector experienced a net outflow of 170 million yuan, with 26 stocks seeing net outflows, and 7 stocks with outflows exceeding 50 million yuan [2] - Shijia Photon led the outflow with a net withdrawal of 254 million yuan, followed by Tongyu Communication, Dongtianwei, and Dekoli, which had net outflows of 163 million yuan, 122 million yuan, and 108 million yuan respectively [2][3] - Conversely, the stocks with the highest net inflows included Fenghuo Communication, Guangxun Technology, and Hengtong Optic, attracting net inflows of 500 million yuan, 213 million yuan, and 81 million yuan respectively [2][3]

Core Viewpoint - Guangxun Technology's stock has shown significant growth this year, with a year-to-date increase of 33.83% and notable trading activity in recent days [2]. Group 1: Stock Performance - As of December 19, Guangxun Technology's stock price reached 69.47 yuan per share, with a trading volume of 12.89 billion yuan and a market capitalization of 560.40 billion yuan [1]. - The stock has increased by 3.32% over the last five trading days and 27.70% over the last 20 days [2]. - The company has appeared on the trading leaderboard six times this year, with the latest instance on December 17, where net buying amounted to 1.09 billion yuan [2]. Group 2: Financial Performance - For the period from January to September 2025, Guangxun Technology reported a revenue of 8.532 billion yuan, reflecting a year-on-year growth of 58.65%, and a net profit attributable to shareholders of 719 million yuan, up 54.95% year-on-year [2]. - The company's main business revenue composition includes 70.86% from data and access, 28.94% from transmission, and 0.20% from other sources [2]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders for Guangxun Technology reached 147,300, an increase of 13.14% from the previous period [2]. - The average number of circulating shares per shareholder decreased by 10.88% to 5,292 shares [2]. - The top ten circulating shareholders include significant institutional investors, with Hong Kong Central Clearing Limited holding 14.3915 million shares, an increase of 4.0608 million shares [3].

Market Overview - The main board saw significant gains with stocks like Tongding Interconnection (+10.09%), Guangxun Technology (+10.01%), and Zhongci Electronics (+10.00%) leading the charge [1] - The ChiNext board also performed well, with Yidong Electronics (+20.01%), Gu'ao Technology (+20.00%), and Liant Technology (+20.00%) showing strong increases [1] - The Sci-Tech Innovation board was led by Kaipu Cloud (+20.00%), Juguang Technology (+17.34%), and Shengyi Electronics (+13.56%) [1] - Active sub-industries included SW Communication Network Equipment and Devices (+7.11%) and SW Communication Cables and Accessories (+6.90%) [1] Domestic News - Aibang ARAI announced the launch of the industry's first ultra-low power silicon-based LCD micro-display panel, model OP03021, featuring a resolution of 1632×1536 and a refresh rate of 90Hz [1] - The semiconductor sector observed a strategic acquisition by the Greater Bay Area Fund and Huada Jiutian of Sierxin, enhancing Huada Jiutian's capabilities in digital chip design and verification [1] - Texas Instruments and UBTECH Robotics entered a strategic partnership, with Texas Instruments procuring UBTECH's Walker S2 humanoid robots for deployment in production lines [1] - Xiaomi raised prices on several tablet models, with the entry-level Redmi Pad 2 seeing a price increase of approximately 20%, from 999 yuan to 1199 yuan [1] Company Announcements - Nanchip Technology plans to issue 1.933 billion yuan in convertible bonds to fund projects in smart power management chips, automotive chips, and industrial sensor and control chips [3] - Geke Micro announced a government subsidy of 60 million yuan received by its subsidiary Geke Microelectronics (Zhejiang) [3] - Mingyang Circuit projected a maximum of 5.09 million yuan in related transactions with Bai Rou New Materials for 2026, primarily for raw material procurement [3] - Pingzhi Information's subsidiary signed a 5-year contract with Inner Mongolia Unicom for computing power services, valued at 38.25 million yuan [3] Overseas News - TOPPAN plans to install an advanced semiconductor packaging R&D line at its Ishikawa factory, set to be operational by July 2026 [2] - SK Hynix's advanced semiconductor packaging factory in Indiana is set to break ground in Q1 2026, with an investment of approximately 3.87 billion USD [2] - SEM forecasts a 13.7% year-on-year increase in global semiconductor equipment sales in 2025, reaching a historical high of 133 billion USD [2] - Samsung Electronics aims to finalize the product development specifications for LPDDR6-PIM memory solutions by the end of this year, enhancing AI capabilities in edge computing devices [2]

Core Insights - On December 17, the Shanghai Composite Index rose by 1.19%, with institutional investors appearing on the trading lists of 31 stocks, net buying 18 and net selling 13 [1] - Institutional special seats net bought a total of 467 million yuan, marking the fifth consecutive day of net buying [1] Institutional Net Buying - The stock with the highest net buying from institutional seats was Juguang Technology, which closed up 17.34% with a turnover rate of 12.90% and a transaction volume of 2.025 billion yuan. The top five trading departments included three institutional special seats, net buying a total of 291.32 million yuan [2] - ShenNan Circuit hit the daily limit, closing up 10.00% with a turnover rate of 2.60% and a transaction volume of 3.663 billion yuan. Seven institutional special seats were among the top five trading departments, net buying a total of 173.44 million yuan [2] - Hualing Cable closed up 5.21% with a turnover rate of 58.77% and a transaction volume of 3.217 billion yuan. Two institutional special seats net bought a total of 124.66 million yuan [3] Institutional Net Selling - The stock with the highest net selling by institutions was Yingweike, which saw a net selling amount of 220.25 million yuan. It was listed due to a price deviation of 8.32% [4] - XueRen Group had a net selling of 140.22 million yuan, with a turnover rate of 46.49% [4] - Guangxun Technology also saw significant net selling, amounting to 124.14 million yuan, despite a price deviation of 8.32% [4] Market Performance - The average increase of stocks with net buying from institutions was 8.38%, outperforming the Shanghai Composite Index [3] - Stocks like Yidong Electronics and Kaipu Cloud showed strong performance, closing at the daily limit [3] - A backtest of stocks with net buying from institutions over the past month revealed a 45.83% probability of rising the next day and a 38.54% probability of rising over three days [3] Earnings Forecast - Among the stocks with net buying from institutions, two provided earnings forecasts for 2025, both indicating an increase. Nantetech is expected to have a net profit of 111 million yuan, representing a year-on-year increase of 13.02% [3] Stocks with Deep and Hong Kong Stock Connect - On December 17, 16 stocks on the trading list had appearances from the Deep and Hong Kong Stock Connect, with net buying amounts for ShenNan Circuit, Shengxin Lithium Energy, and Aerospace Machinery totaling 146 million yuan, 109 million yuan, and 85.18 million yuan respectively [7] - Stocks like XueRen Group and Biological Shares saw significant net selling through the Deep and Hong Kong Stock Connect, with amounts of 143 million yuan and 54.91 million yuan respectively [7]

Market Performance - The Shanghai Composite Index closed at 3870.28 points, up 1.19%, with a trading volume of 766.8 billion yuan [1] - The Shenzhen Component Index closed at 13224.51 points, up 2.4%, with a trading volume of 1044.325 billion yuan [1] - The ChiNext Index closed at 3175.91 points, up 3.39%, with a trading volume of 495.114 billion yuan [1] - The STAR Market 50 Index closed at 1325.33 points, up 2.47%, with a trading volume of 50.2 billion yuan [1] - The total trading volume of both markets reached 1811.125 billion yuan, an increase of 86.946 billion yuan compared to the previous trading day [1] Sector Performance - Strong performance was noted in sectors such as telecommunications, non-ferrous metals, insurance, precious metals, electronics, chemicals, power equipment, and media [2] - Concepts like CPO, lithium mining, optical communication modules, liquid cooling, copper cable high-speed connections, fluorine chemicals, PCB, and composite current collectors showed active trends [2] - The agriculture, defense, and liquor sectors experienced declines, with weaker trends in concepts like space stations, satellite internet, duty-free, rental sales, and grain [2] Fund Flow - The net outflow of main funds in the Shanghai and Shenzhen markets was 6.73 billion yuan [3] - The ChiNext saw a net outflow of 4.067 billion yuan, while the CSI 300 index experienced a net outflow of 5.145 billion yuan [4] - The telecommunications sector had the highest net inflow of main funds, amounting to 4.529 billion yuan, followed by non-ferrous metals, electronics, and power equipment [4] Individual Stock Performance - A total of 2117 stocks saw net inflows of main funds, with 93 stocks receiving over 100 million yuan in net inflows [5] - The stock with the highest net inflow was Zhongji Xuchuang, with 1.426 billion yuan, followed by Xinyi Sheng, Shenghong Technology, Tianfu Communication, and others [6] - Conversely, 3043 stocks experienced net outflows, with 75 stocks seeing over 100 million yuan in net outflows [7] - The stock with the highest net outflow was Pingtan Development, with 1.459 billion yuan, followed by Yonghui Supermarket, Aerospace Development, and others [8] Institutional Activity - Institutional seats had a net buy of approximately 471 million yuan, with 16 stocks being net bought and 11 stocks being net sold [9] - The stock with the highest net buy from institutions was Juguang Technology, with about 291 million yuan [10] - The stock with the highest net sell was Yingweike, with approximately 22 million yuan, followed by Xue Ren Group, Guangxun Technology, and others [11]

Core Insights - The liquid cooling server industry is experiencing significant growth, driven by increased demand for high-density servers and efficient cooling solutions [1][2] - Major companies are actively investing in liquid cooling technologies, with substantial market opportunities projected in the coming years [2][3] Industry Developments - Xiechuang Data plans to invest up to 9 billion yuan to purchase servers from multiple suppliers, indicating accelerated infrastructure development in cloud computing [1] - The 5th International AIDC Liquid Cooling Supply Chain Summit will be held on December 18-19, focusing on technology exchange and market trends [1] Market Projections - UBS forecasts that the global direct liquid cooling market for data centers will grow from $1.138 billion in 2024 to $31.191 billion by 2030, with a compound annual growth rate of 51% [2] - The AI server liquid cooling market is expected to reach $23.746 billion, while the non-AI server liquid cooling market will grow to $7.446 billion [2] Company Highlights - Yingweike (002837) holds over 35% market share in liquid cooling technology and is a designated temperature control supplier for major clients like Tencent and Alibaba [2] - Shenling Environment (301018) is a core supplier for Huawei's data centers, with 63 liquid cooling patents and a PUE as low as 1.15 [2] - Highlan (300499) uniquely supplies both server and energy storage solutions, with a client base including ByteDance and Alibaba [3] Key Component Suppliers - Juhua (600160) is a leading domestic supplier of electronic-grade fluorinated liquids, aiming for a 15% global market share by 2025 [4] - Feirongda (300602) specializes in integrated cooling solutions and is a core supplier for Huawei servers [5] - Zhongshi Technology (300684) provides unique nano-carbon material cooling plates, with over 90% of its business in liquid cooling modules [5] System Integration Leaders - Inspur (000977) is a leading global liquid cooling server provider, with a projected market share of over 45% in 2024 [6] - Zhongke Shuguang (603019) collaborates on liquid cooling server development, introducing a high-density cooling solution for complex computing scenarios [6] - Unisplendour (000938) has a significant market presence with over 35% share in the operator market and expects liquid cooling orders to exceed 5 billion yuan in 2024 [6] Other Relevant Companies - Guangxun Technology (002281) is the only domestic company to achieve mass production of liquid cooling optical modules, holding a 15% global market share [7] - Changfei Optical Fiber (601869) applies optical fiber technology to liquid cooling, enhancing data transmission efficiency [8] - Ruijie Network (301165) offers a full range of liquid cooling products and has launched a new immersion liquid cooling switch [8]

转自：证券时报 人民财讯12月17日电，12月17日龙虎榜上榜个股中，分别有11只、5只股前五大买卖营业部中出现深股 通及沪股通专用席位的身影。深沪股通净买入的个股共有8只，净买入金额最多的是深南电路，深股通 专用席位净买入1.46亿元，其次是盛新锂能、航天机电、光迅科技等，净买入金额分别为1.09亿元、 8518.00万元、6642.09万元。净卖出居前的有雪人集团、生物股份、炬光科技等，净卖出金额分别为 1.43亿元、5491.70万元、5346.98万元。 ...