KAIYUAN SECURITIES·2025-11-02 02:27Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Views - The report highlights that major overseas AI companies are continuously increasing capital expenditures, focusing on AI infrastructure development, with significant growth in cloud business performance [5][6][19] - The report emphasizes a strong outlook for the "optical, liquid cooling, and domestic computing power" sectors, recommending specific stocks within these areas [7][25] Summary by Sections 1. Overseas AI Financial Summary - Google raised its capital expenditure guidance for 2025 to $91-93 billion, with Q3 capital expenditure reaching $23.953 billion, a year-on-year increase of 83% [5][15] - Meta's Q3 revenue was $51.24 billion, exceeding expectations, with a projected annual expenditure of $70-72 billion for 2025 [16] - Microsoft's Q1 FY2026 revenue reached $77.67 billion, a year-on-year increase of 18%, with significant growth in its cloud segment [17][18] - Amazon's Q3 revenue was $180.2 billion, with AWS net sales of $33.006 billion, a 20% year-on-year increase [19][20] - Celestica's Q3 revenue was $3.19 billion, a 28% increase year-on-year, leading to an upward revision of its annual guidance [21] 2. Communication Data Tracking - As of August 2025, the total number of 5G base stations in China reached 4.646 million, with 5G mobile phone users totaling 1.154 billion, a year-on-year increase of 19.46% [34][12] - The report notes that 5G mobile phone shipments reached 19.992 million units in August 2025, accounting for 88.4% of total shipments, with a slight year-on-year increase of 1.2% [41] - The three major telecom operators showed strong growth in innovative business development, with significant revenue increases in their cloud services [45][50]