Group 1 - Several semiconductor companies announced acquisitions and investments in the chip sector over the weekend [1] - Huahong announced plans to acquire 97.5% of Huali Micro's equity through a combination of issuing shares and cash, along with raising supporting funds [1] - Dongxin Co. plans to invest approximately 211 million yuan in Shanghai Lishuan, increasing its stake to 35.87% [1] Group 2 - SMIC announced plans to issue A-shares to purchase minority stakes in its subsidiary, SMIC North [2] - AI chips are identified as a core area in the AI industry chain, directly influencing the computing power and efficiency of AI systems [2] - The domestic chip self-sufficiency rate in China is steadily increasing, but there is still a need for improvement, especially with the upcoming restrictions on AI chips in the U.S. by 2025 [2] Group 3 - DeepSeek V3.1 was officially released, optimized for the next generation of domestic chips [2] - Shanxi Securities expresses optimism about the next generation of DeepSeek models, highlighting trends in chip performance improvements and enhanced hardware-software collaboration [2] - The performance of the Ascend 910 next-generation chip is expected to approach mainstream international levels, opening significant market space for second-tier GPU manufacturers [2] Group 4 - Companies such as North Huachuang, Zhongwei Company, Chip Source Micro, Tuojing Technology, Shengmei Shanghai, Huahai Qingke, Zhongke Feice, and Jingyi Equipment are recognized as leaders in semiconductor equipment [3]

Investment Rating - The report maintains an "Outperform" rating for the communication industry, indicating an expected performance exceeding the benchmark index by more than 10% [1][45]. Core Insights - Nvidia is set to launch the Spectrum-XGS Ethernet DCI product, which aims to redefine "scale across" for connecting geographically dispersed data centers, facilitating the creation of AI super factories with a power capacity exceeding one billion watts [3][15]. - The release of DeepSeek V3.1 enhances intelligent agent capabilities and is optimized for the next generation of domestic FP8 chips, indicating a significant improvement in performance and efficiency [4][16]. - The market is experiencing accelerated rotation among AI computing sectors, with expectations for continued highs, suggesting a focus on individual stock performance and strategic entry points during market corrections [5][17]. Summary by Sections Industry Dynamics - Nvidia's Spectrum-XGS product addresses the limitations of traditional scaling methods for AI demands, utilizing advanced algorithms and hardware-software optimizations to mitigate communication delays and congestion in GPU clusters [3][15]. - The introduction of the GSE standard by China Mobile aims to enhance bandwidth stability between data centers, highlighting potential investment opportunities in companies involved in network cards, switching chips, and optical modules [3][15]. Market Performance - The overall market performance for the week of August 18-22, 2025, showed varied results, with the STAR Market index rising by 13.31%, the Shenwan Communication Index by 10.84%, and the ChiNext Index by 5.85% [5][17]. - The top-performing sectors included the Internet of Things (+17.5%), optical modules (+16.3%), and cloud computing (+14.0%), indicating strong investor interest in these areas [5][17]. Recommended Companies - Key companies to watch include: - DCI: Dekor, Guangku Technology, Zhongji Xuchuang, New Yi Sheng, Changfei Fiber, Hengtong Optic-Electric - OCS: Guangku Technology, Lingyun Optics, Tengjing Technology, Saiwei Electronics, Tianfu Communication, Changxin Bochuang - Domestic Super Nodes: Shengke Communication, Luxshare Precision, Huiju Technology, Huafeng Technology, Wolong Nuclear Materials, Ruikeda, ZTE Corporation - Commercial Aerospace: Xinke Mobile, Shanghai Huanxun, Tongyu Communication, Zhenlei Technology, Tianyin Machinery, Shanghai Port Bay [6][18].