在AI的狂热与恐惧交替牵引下，市场的波动加剧。美国股市24日反弹，科技股领涨，市场对人工智能 热情重燃，盖过了对这项新兴技术可能引发颠覆性影响的担忧，软件股大幅反弹。 不过，近期备受追捧的存储牛股闪迪（SanDisk）股价遭遇空头突袭，24日股价一度大跌超8%。知名做 空机构香橼资本（Citron Research）称其持有该存储芯片制造商的空头头寸，看空理由可以被归类为三 条：存储市场存在周期性压力、来自三星的竞争加剧，以及其长期投资者已经退场。 AI热潮已经逐渐回归理性。截至美国东部时间2月24日收盘，纳斯达克指数年内下跌1.63%，这与过去 三年连续大涨逾20%形成了鲜明对比。 资本市场的残酷之处在于：它不再为"讲故事"的愿景买单，而开始向"交作业"的现实收费。未来的赢 家，未必是今天估值最高的巨头，而是那些能在技术浪潮中重构护城河、将AI转化为可持续收入的企 业。 市场情绪为何反复横跳？ 软件股反弹，存储牛股跳水，近期美股对AI的态度在担忧和期待中反复摇摆。 法国里昂商学院管理实践教授李徽徽更倾向把这轮"摇摆"理解为市场在给两条曲线重新定价：一条是AI 带来的新增需求曲线，一条是AI对旧商业模式的替代 ...

Group 1 - The semiconductor ETF Southern (159325) has risen by 2.15%, marking a three-day consecutive increase, with a turnover of 12.24% and a transaction volume of 34.83 million yuan, indicating active market trading [1] - Key stocks in the index, such as Changdian Technology, peaked with a 10.00% increase, while Fengfan Technology and Zhenlei Technology rose by 9.59% and 8.05% respectively, with Changdian Technology hitting the daily limit [1] - A joint international research team has made significant progress in new semiconductor materials, achieving controllable construction of "mosaic" heterojunctions in two-dimensional ionic soft lattice materials, paving the way for future high-performance light-emitting and integrated devices [1] Group 2 - According to UBS statistics, the global semiconductor market is projected to reach $1 trillion by 2026, with a year-on-year growth exceeding 40%, and $1.18 trillion by 2027, maintaining a growth rate of 13% [1] - Even excluding memory chips, the industry is expected to sustain double-digit growth, driven by saturated investments in AI infrastructure, with the storage market anticipated to see nearly 90% growth by 2026 due to the rigid demand for high-end DRAM from HBM and AI servers [1] - Huaxin Securities reports that TSMC's revenue for Q4 2025 is expected to grow by approximately 20% year-on-year, reaching 1.05 trillion New Taiwan dollars, exceeding market expectations, reflecting strong demand for AI chips and advanced processes [2] - TSMC's performance indicates that capital expenditures in the global AI sector will remain high in 2026, benefiting upstream equipment, materials, and the entire domestic semiconductor industry chain [2] - The Southern semiconductor ETF closely tracks the CSI Semiconductor Industry Select Index, which includes 50 large-cap, profitable, and high R&D investment companies, reflecting the overall performance of representative and investable stocks in the semiconductor industry [2]