全球半导体开年集体大涨，存储再战C位，或进一步推动半导体设备需求

Group 1 - The global semiconductor sector is experiencing a strong start to the year, with major storage companies seeing stock price increases of over 10% [1] - In the US market, SanDisk surged nearly 16%, Micron Technology rose over 10%, and ASML increased by over 8%, while TSMC hit a historical high with a rise of over 5% [1] - In the Korean market, Samsung Electronics' stock jumped 7.2% due to the recognition of its HBM4 products by customers [1] Group 2 - Morgan Stanley has raised its 2026 average price expectations for DRAM by 62% and for NAND by 75%, citing a tightening memory market driven by manufacturing constraints and stronger demand [1] - Winbond, a Taiwanese storage manufacturer, announced a 100% price increase for NAND products and a 50% increase for NOR products in Q1 2026 [1] Group 3 - Changxin Technology, as China's first and the world's fourth-largest DRAM manufacturer, is expected to achieve revenues of 55-58 billion yuan in 2025, with a gross margin exceeding 40% in Q4 2025 [2] - The company plans to raise 29.5 billion yuan through its IPO to fund production line upgrades, DRAM technology enhancements, and forward-looking research and development [2] Group 4 - Zhaoyi Innovation holds a 1.88% stake in Changxin Technology, having invested 2.3 billion yuan [3] - Jingzhida offers a full range of DRAM testing equipment, including wafer testers, aging repair equipment, and FT testers [4]