Guoyuan Securities·2025-07-07 08:14Investment Rating - The report maintains a "Recommended" investment rating for the semiconductor industry [7]. Core Insights - The overseas AI chip index increased by 1.3% this week, while the domestic AI chip index decreased by 2.8% [10][11]. - Notable stock movements include Nvidia's 1% increase and significant declines for Marvell and AMD [10]. - The report highlights the upcoming mass production phase for Samsung's 1c nanometer DRAM technology [34]. Market Review - The overseas AI chip index rose 1.3% this week, with MPS up approximately 3%, and TSMC and Broadcom both exceeding 2% gains. Nvidia saw a 1% increase, while Marvell and AMD experienced declines of 2.6% and 4.1%, respectively [10]. - The domestic AI chip index fell by 2.8%, with most component stocks declining. Notably, Cambricon and Hengxuan Technology dropped over 6%, while only Lanke Technology saw a slight increase of 1.8% [10]. - The Nvidia mapping index surged by 9.3%, with Jingwang Electronics rising over 20% and several other companies seeing gains exceeding 10% [11]. - The server ODM index decreased by 0.7%, with mixed performances among component stocks [11]. - The storage chip index fell by 2.8%, with significant declines in stocks like Zhaoyi Innovation and Hengsuo Technology [11]. - The power semiconductor index saw a minor decline of 0.3%, while the A-share and Hong Kong fruit chain indices increased by 8.2% and 1.5%, respectively [11][17]. Industry Data - The global TWS market is projected to grow by 3% year-on-year in 2025 [23]. - Chinese power manufacturers are optimizing product structures, with an overall increase in gross margins for 2024. DELTA's gross margin is expected to rise from 29.2% in 2023 to 32.4% in 2024, an increase of 3.2 percentage points [28]. - Chinese and American Robotaxi manufacturers are expanding their presence in the global autonomous driving market, with companies like Baidu Apollo and Waymo planning operations in various international locations [31]. Major Events - The Trump administration has lifted certain export licensing requirements for chip design software to China [33]. - Domestic GPU company Muxi Integrated Circuit is preparing for an IPO on the Sci-Tech Innovation Board, aiming to raise 3.9 billion yuan [33]. - Huawei's Pura 80 series is set to launch in August, featuring an "AI super intelligent agent" [33]. - Samsung has officially approved the production preparation for its sixth-generation 10nm DRAM memory process, entering the mass production phase [34].