通信周跟踪：DeepSeek打开国内AI应用“iPhone时刻”，北美Capex指引大幅增长

Investment Rating - The report maintains an "Outperform" rating for the communication industry, indicating expected growth exceeding the benchmark index by over 10% [1]. Core Insights - DeepSeek has emerged as the fastest-growing AI application globally, achieving over 20 million daily active users within 20 days of launch, significantly outperforming previous applications like ChatGPT [2][14]. - The success of DeepSeek is attributed to its cost-effectiveness, superior user experience, rapid adaptation by cloud service providers, and engineering optimizations that reduce hardware requirements [2][3][14]. - The rise of DeepSeek is expected to shift domestic AI investment strategies from overseas dependency to independent innovation, positively impacting investor sentiment and funding allocation [3][15]. Summary by Sections 1. Events and Insights - DeepSeek's rapid user growth and its implications for the AI industry are highlighted, with a focus on its engineering optimizations that allow for lower operational costs compared to international competitors [2][14]. - The report suggests that the application of DeepSeek will enhance the utilization rates of public and private cloud services and IDC resources [15]. 2. Market Overview - The overall market saw significant gains during the week of February 3-9, 2025, with the STAR Market index rising by 6.67% and the ChiNext index by 5.36% [20]. - The industrial internet sector led the gains with a 22.7% increase, followed by cloud computing at 18.7% [20]. 3. Recommendations - The report recommends focusing on companies with strong cloud capabilities and unique data resources, including top-tier cloud providers like Huawei Cloud and Alibaba Cloud [15][19]. - It also highlights the potential for domestic chip manufacturers to benefit from the increased demand for AI applications, particularly in the context of export controls from the U.S. [15][19]. 4. Company Performance - Notable stock performances include significant gains for companies like Meige Intelligent and Yinghan Tong, with increases of 33.10% and 30.88%, respectively [26]. - Conversely, companies like Xinyi Technology and Zhongji Xuchuang experienced declines, with drops of 9.84% and 6.13% [26].