通信行业

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].