通信行业周报：CPO引领数据互联发展热潮，多环节设备商有望受益

Investment Rating - The report maintains an "Overweight" rating for the communication industry [11] Core Insights - The communication sector has shown a strong performance, with a weekly increase of 5.73%, ranking 4th among 30 primary industries [14][16] - The introduction of NVIDIA's new CPO (Co-Packaged Optics) switch is expected to enhance data transmission capabilities, supporting up to 115.2 Tbps [4][19] - The CPO technology is anticipated to commercialize starting from 2024, with significant growth expected by 2026-2027, potentially reaching a global market size of $2.6 billion by 2033 [20][21] Summary by Sections 1. Recent Market Performance - The Shanghai Composite Index and Shenzhen Component Index increased by 2.31% and 3.73% respectively over the past week [14] - The communication sector's top-performing stocks included Shijia Photon (+25.16%) and Tianfu Communication (+22.71%) [16] 2. CPO Technology Focus - NVIDIA is set to unveil a new CPO switch at the GTC conference in March, which is expected to begin mass production by August [4][19] - CPO technology offers advantages such as high-density optical-electrical integration and low power consumption, making it a key area for investment [20][21] 3. Investment Opportunities - Suggested areas for investment include MPO connectors, polarization-maintaining fibers combined with external laser sources, and fiber distribution boxes [21][22] - Companies to watch in the CPO sector include Taicheng Light, Shijia Photon, and Tianfu Communication [25] 4. Industry News - Canalys reports a 4% year-on-year growth in smartphone shipments in mainland China, with Vivo leading the market [10][27] - China Mobile has awarded contracts for indoor antenna products, with a procurement scale of approximately 15.88 million units [26]