KAIYUAN SECURITIES·2026-03-01 14:07Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Insights - The domestic AI market is entering an acceleration phase driven by both B-end and C-end markets, with significant advancements in domestic large models [5][14] - OpenAI has secured a historic financing of $110 billion, with a post-investment valuation of $840 billion, marking the largest single financing in the global AI sector to date [6][21] Summary by Sections Domestic Market Insights - B-end/Agent side: MiniMax M2.5 remains the top model on OpenRouter despite a slight decline in usage, attributed to its excellent performance, cost advantages, and broad support for the open-source ecosystem [5][14] - C-end/Chatbot side: Major players like Tencent, ByteDance, and Alibaba are adopting different strategies to integrate AI into their ecosystems, focusing on enhancing user engagement and streamlining services [5][20] International Market Insights - OpenAI's new financing includes a strategic partnership with Amazon AWS, which will provide cloud services and infrastructure support for AI applications [6][21][26] - Microsoft reaffirms its core partnership with OpenAI, maintaining its exclusive rights to OpenAI's models and products [22][26] Weekly Data Updates - The Hang Seng Index increased by 0.82%, with high dividend, real estate, and shipping sectors showing strong performance [23][24] - The net inflow of capital through Hong Kong Stock Connect was 5.9 billion yuan, reflecting a decrease of 76% week-on-week [27] Investment Recommendations - Internet sector: Focus on AI commercialization and application expansion, recommending Alibaba-W, Pinduoduo, and Baidu Group-SW, with Tencent Holdings as a beneficiary [7][37] - Computer sector: Anticipated growth in AI demand, with recommendations for companies benefiting from IT spending, including Kingdee International, BaiRong Cloud, and others [7][38] - Automotive & Autonomous Driving: The approval of domestic L3 level pilot licenses signals a potential turning point for high-level autonomous driving commercialization [38]