Guoyuan Securities·2025-11-03 09:30Investment Rating - The report maintains a "Recommended" investment rating for the semiconductor and semiconductor production equipment industry [7]. Core Insights - The overseas AI chip index increased by 6.1% this week, driven by strong demand for computing chips due to ongoing AI infrastructure development. Notable stock price increases were observed for Nvidia (up 8.7%) and Marvell (up 11.4%) [1]. - The domestic AI chip index fell by 7.1%, with significant declines in stocks such as Hengxuan Technology (down 12.3%) and Cambricon (down nearly 10%) [1]. - The server ODM index rose by 7.0%, with Supermicro and Hon Hai Precision both seeing gains of over 7% [1]. - The storage chip index increased by 2.7%, indicating a continued improvement in the overall storage market [1]. - The power semiconductor index decreased by 3.8%, reflecting a lack of clear growth in this segment [1]. Market Index - The overseas AI chip index rose by 6.12% this week, while the domestic A-share chip index fell by 7.1% [10]. - The Nvidia mapping index continued to rise by 3.6%, influenced by strong demand for AI chips [11]. - The domestic storage chip index increased by 2.7%, with a notable rise in storage chip prices [15]. Industry Data - In Q3 2025, global smartphone shipments reached 320 million units, a year-on-year increase of 3%. Samsung led with 60.6 million units shipped, followed by Apple with 56.5 million units [2][23]. - Global PC shipments increased by 8.1% in Q3 2025, driven by the end of Windows 10 support and inventory adjustments related to U.S. import tariffs [27][28]. Major Events - Changxin Storage has begun mass production of high-end LPDDR5X memory chips for smartphones and laptops, achieving speeds of 10667 Mbps [3][31]. - Samsung's HBM3E has been shipped to Nvidia customers, with all HBM production capacity for 2026 already sold out [3][32]. - Apple reported Q4 2025 revenue of $102.466 billion, an 8% year-on-year increase, with net profit rising 86% [3][34].