通信行业月报：北美云厂商继续上调资本开支，硅光助力AI网络规模化扩展-20251113

Investment Rating - The report maintains an "Outperform" investment rating for the communication industry [6][7]. Core Insights - The communication industry index outperformed the CSI 300 index in October 2025, with a 0.24% increase, while the Shanghai Composite Index rose by 1.85% [6][13]. - In the first nine months of 2025, China's telecom business revenue reached 1.327 trillion yuan, a year-on-year increase of 0.9% [6][40]. - The penetration rate of 5G mobile phone users reached 63.9% by September 2025, with a monthly average data usage (DOU) of 21.23GB per user, up 15.5% year-on-year [6][50]. - The report highlights the optimistic outlook for capital expenditures from major cloud vendors, with a total of $112.43 billion in capital expenditures in Q3 2025, a 76.9% year-on-year increase [6][24]. - The silicon photonics market is expected to grow significantly, with a projected CAGR of 46% from 2024 to 2030 [6][7]. Summary by Sections Market Review - The communication industry index increased by 0.24% in October 2025, outperforming the CSI 300 index [6][13]. - The telecom equipment retail sales in China grew by 16.2% year-on-year in September 2025 [6][39]. Industry Tracking - The report notes a recovery in global telecom equipment revenue, with significant growth in the AI smartphone market expected [6][7]. - The telecom business revenue in China showed a slight recovery, with a total of 1.327 trillion yuan in the first nine months of 2025 [6][40]. Investment Recommendations - The report suggests focusing on sectors such as optical communication, AI smartphones, and telecom operators, highlighting the potential for growth in these areas [6][7]. - Major cloud vendors are expected to continue increasing their capital expenditures, which will drive demand for optical devices [6][7].