2 1 Shi Ji Jing Ji Bao Dao·2025-09-18 04:52Market Overview - On September 18, A-shares opened lower, with the Shanghai Composite Index rising by 0.45%, the Shenzhen Component Index increasing by 0.79%, and the ChiNext Index up by 0.49% [1] - The Sci-Tech 50 Index expanded its gains to 3%, surpassing 1400 points, marking a new three-year high [1] Stock Performance - The total market turnover reached approximately 1.72 trillion yuan, with over 2700 stocks rising [2] - The semiconductor sector saw significant gains, with stocks like SMIC hitting new highs and various companies in the sector experiencing substantial increases [3][6] - Notable stocks included Tianpu Co., which resumed trading with a limit-up, achieving a 12-day consecutive rise [3] Sector Highlights - The semiconductor sector was particularly strong, with companies like Huicheng Co. and Microchip Technology seeing gains of over 20% and 10% respectively [6] - The CPO concept stocks also performed well, with Dekeli hitting the daily limit [3] - The electronic manufacturing services sector was active, with stocks like Yidelong and Industrial Fulian rising over 7% and 10% respectively, with the total market capitalization exceeding 1.3 trillion yuan [4] Key Developments - Alibaba's self-developed AI chip was featured on CCTV, showcasing competitive parameters against NVIDIA's H20 chip [8] - The chip industry saw a resurgence, with companies like Cambrian Technology reclaiming the title of "stock king" with significant price increases [9] - Huawei's announcements regarding its Ascend chip series indicated ongoing advancements in AI technology, with new models expected to launch in the coming years [10] International Influence - The U.S. Federal Reserve's recent interest rate cut of 25 basis points is expected to influence market dynamics positively, particularly in the semiconductor sector [15]