Zheng Quan Shi Bao Wang·2025-09-15 02:18Core Viewpoint - The semiconductor sector experienced a strong rally on September 15, with significant gains in various companies following the U.S. Department of Commerce's announcement to add 23 Chinese entities, including 13 semiconductor firms, to its entity list [1] Group 1: Market Performance - On September 15, Shengbang Co. surged over 19%, reaching a temporary trading limit; Sireen Technology rose over 15%, Naxin Micro increased by approximately 14%, Shanghai Beiling hit the trading limit, and Aiwei Electronics gained over 8% [1] Group 2: Regulatory Impact - The U.S. has intensified its control measures on Chinese semiconductors, but the effectiveness of these measures is gradually diminishing, potentially accelerating domestic substitution in China's AI and semiconductor industries [1] - China has initiated anti-dumping investigations into U.S. imported analog chips and launched anti-discrimination investigations regarding U.S. measures in the integrated circuit sector [1] Group 3: Investment Recommendations - Focus on four key areas: 1. Wafer foundries as core strategic assets for domestic semiconductor replacement 2. Chip design companies accelerating local technology development, particularly those with rapid domestic process layouts 3. Clear trend towards equipment localization, prioritizing companies with advanced processes and low domestic market penetration 4. Advanced packaging technologies in AI chips showing enhanced roles and ongoing technical iterations in 2.5D/3D/HBM areas [1]