半导体早参 | 中微半导、国科微部分芯片涨价，沐曦股份预计25年亏损收窄

Market Performance - As of January 27, 2026, the Shanghai Composite Index rose by 0.18% to close at 4139.90 points, while the Shenzhen Component Index increased by 0.09% to 14329.91 points, and the ChiNext Index gained 0.71% to 3342.60 points [1] - The overnight performance of U.S. markets showed the Dow Jones Industrial Average decreased by 0.83%, the Nasdaq Composite increased by 0.91%, and the S&P 500 rose by 0.41% [1] - The Philadelphia Semiconductor Index increased by 2.40%, with notable performances from Micron Technology, which rose by 5.44%, and Applied Materials, which increased by 4.15% [1] Industry News - Zhongwei Semiconductor announced a price increase of 15% to 50% for MCU and Norflash products due to rising costs and extended delivery cycles amid a tight chip supply situation [2] - Guokai Microelectronics issued a price increase notice, raising prices for KGD products by 40% to 80% starting January [2] Company Updates - Muxi Co., Ltd. expects to achieve an operating revenue of 1.6 billion to 1.7 billion yuan for 2025, representing a growth of 115.32% to 128.78% year-on-year, despite anticipating a net loss of 650 million to 798 million yuan [3] - Hengyun Chang, a leading domestic semiconductor RF power supplier, has been listed on the Sci-Tech Innovation Board, with products already in mass production and delivery to major domestic semiconductor equipment manufacturers [3] Semiconductor Sector Insights - The semiconductor sector has strengthened recently, driven by AI-induced structural supply-demand imbalances, accelerated advancements in process and storage technologies, and strong policy support for self-sufficiency in the industry [4] - The Sci-Tech Innovation Semiconductor ETF (588170) focuses on semiconductor materials and equipment, highlighting the importance of domestic substitution in the semiconductor industry [4]