Market Overview - The Shanghai Composite Index fell by 1.67% in November, ending a six-month streak of gains after reaching a ten-year high mid-month. The ChiNext Index dropped by 4.23%, showing a "first decline then rise" pattern, with a gradual recovery in late November driven by the computing hardware sector [1] - Market hotspots in November were concentrated in the battery supply chain, Hainan, Fujian, and computing hardware sectors, indicating a faster rotation of market themes [1] Investment Strategies - Huatai Securities suggests positioning in high-probability sectors during the upcoming "spring rally," with a balanced allocation between growth and cyclical sectors. Key areas of focus include aviation equipment and AI-related energy storage, as well as chemical and energy metal sectors. Additionally, large financials and high-value consumer sectors, such as liquor and consumer building materials, remain solid mid-term investment choices [2] - CICC notes that the AI sector currently has relatively low crowding risk, with long-term opportunities still present. However, short-term value styles may have an advantage, as institutional investors may adopt defensive strategies towards year-end [3] Technology and Infrastructure - CITIC Securities emphasizes the significant potential of AI optical interconnection, driven by the rapid development of AI models and applications, which rely on continuous investment in computing infrastructure. High-performance, high-bandwidth, and low-latency networks are crucial for upgrading computing cluster performance. The advantages of leading firms are becoming more pronounced due to increasing demands for R&D capabilities, production capacity, and new technology layouts [4]

Core Viewpoint - The rapid development of AI large models and applications relies on continuous investment in computing power infrastructure, with high-performance, high-bandwidth, and low-latency networks being key to upgrading computing cluster performance [1] Group 1: Industry Insights - Optical interconnection technology is expected to experience significant growth opportunities driven by the dual factors of increased penetration of Scale up networks and the value enhancement of Scale out networks [1] - The increasing demands for manufacturers' R&D capabilities, production capacity, material delivery capabilities, and new technology layout requirements are highlighting the advantages of leading manufacturers in the market [1] Group 2: Company Outlook - There is optimism regarding the development potential of domestic optical communication leading companies [1] - The communication industry maintains a "stronger than market" rating [1]