半导体与半导体生产设备行业周报、月报：OpenAI与博通自研AI芯片预计2026年量产，中国科技巨头加大本土芯片采购-20250908

Investment Rating - The report maintains a "Recommended" investment rating for the semiconductor and semiconductor equipment industry [7]. Core Insights - OpenAI is expected to invest $10 billion in Broadcom's self-developed AI chips, which are planned for mass production in 2026, aiming to reduce reliance on NVIDIA GPUs [3][28]. - The Chinese market for foldable smartphones reached sales of 5.88 million units as of August 24, 2025, representing a year-on-year growth of 26% and a penetration rate of 3.2% [2][24]. - Major Chinese tech companies, including Baidu, Alibaba, and Tencent, collectively invested approximately 61.6 billion yuan in capital expenditures in Q2 2025, a year-on-year increase of 168%, primarily for AI infrastructure and domestic chip procurement [3][29]. Market Indices - The overseas AI chip index rose by 0.7% this week, reversing a downward trend, while the domestic AI chip index fell by 8.5% [10]. - The storage chip index decreased by 2.9%, with notable gains from companies like Shannon Semiconductor and Baiwei Storage, which increased by 2% and 1.7%, respectively [10][15]. - The power semiconductor index dropped by 4.1%, with only Chiplink Integrated showing an increase of 14.4% among its constituents [10][15]. Major Events - The U.S. President announced potential tariffs on semiconductors, which could reach as high as 100% to 300%, but companies like Apple that increase U.S. investments may receive exemptions [3][28]. - NVIDIA achieved a record high market share of 94% in the independent GPU market in Q2 2025, with AMD's share dropping to 6% [3][28]. - The global smartphone shipment is projected to grow by 1% in 2025, reaching 1.24 billion units, an increase from the previous forecast of 0.6% [2][26].