Nvidia(US:NVDA) HTSC·2026-01-12 07:27Investment Rating - The report maintains an "Overweight" rating for the communication industry and communication equipment manufacturing sector [6]. Core Insights - The communication index increased by 1.66% last week, while the Shanghai Composite Index rose by 3.82% and the Shenzhen Component Index by 4.40% [9]. - NVIDIA's CEO Jensen Huang introduced the upgraded Rubin platform at CES 2026, highlighting significant enhancements in computing, networking, and system capabilities, which are expected to drive new demand in the North American AI computing chain [9][10]. - The report suggests focusing on the supply chain related to optical modules, copper connections, and liquid cooling as potential investment opportunities [9]. Summary by Sections Computing Enhancements - Rubin GPU's inference performance has improved by 5 times, and training performance by 3.5 times. The Vera CPU's data analysis and compression performance are both double that of the previous generation Grace CPU [2][10]. - The Vera Rubin NVL72 cabinet features full liquid cooling and a modular design, with inference and training capabilities of 3.6 EFLOPS and 2.5 EFLOPS, respectively, marking a 5-fold and 3.5-fold increase compared to the previous model [2][10]. Networking Improvements - NVLink 6 has doubled the interconnect bandwidth between GPUs to 3.6 TB/s, and the Spectrum-6 Ethernet switch supports CPO technology with a switching capacity of 102.4 Tb/s, also doubling the previous generation's capacity [2][10]. - The NVSwitch ASIC allows for a total bandwidth of 260 TB/s within the cabinet, significantly enhancing data transfer efficiency [18]. System-Level Developments - The Vera Rubin NVL72 cabinet integrates 72 Rubin GPUs and 36 Vera CPUs, achieving an AI computing performance of 100 PFLOPS. The overall system performance improvements align with the enhancements seen in individual components [25][32]. - The cabinet's design allows for a significant reduction in setup time from 100 minutes to just 6 minutes, thanks to its modular and liquid-cooled architecture [30][32]. Recommended Companies - The report recommends several companies for investment, including: - Walden Materials (002130 CH) with a target price of 43.21 and a "Buy" rating [6]. - Aofei Data (300738 CH) with a target price of 31.17 and a "Buy" rating [6]. - China Mobile (600941 CH) with a target price of 126.20 and a "Buy" rating [6]. - New Yisheng (300502 CH) with a target price of 476.71 and a "Buy" rating [6]. - Ruijie Networks (301165 CH) with a target price of 102.51 and a "Buy" rating [6]. - Other recommended companies include Zhongji Xuchuang, Tianfu Communication, and Hengtong Optic-Electric [3][6].