1月27日美股成交额前20:微软发布AI芯片以减少对英伟达的依赖
Xin Lang Cai Jing·2026-01-26 22:01

Group 1: Nvidia and Microsoft - Nvidia's stock fell by 0.64% with a trading volume of $23.168 billion, as Microsoft announced the launch of its second-generation AI chip, Maia 200, aimed at reducing dependency on Nvidia's chips [1][10] - The Maia 200 chip, produced by TSMC, is being shipped to Microsoft's data centers in Iowa and will soon be deployed in Phoenix [10] Group 2: Tesla and EU Investigation - Tesla's stock dropped by 3.09% with a trading volume of $21.436 billion, as the EU launched an investigation into Musk's X platform over concerns regarding the platform's failure to prevent the Grok AI chatbot from generating and disseminating potentially harmful deepfake images [1][11] - The investigation will assess whether the platform adequately evaluated and mitigated risks associated with deploying Grok in the EU market [11] Group 3: Apple and Financial Forecasts - Apple's stock rose by 2.97% with a trading volume of $14.045 billion, as JPMorgan raised its target price for Apple, anticipating strong demand for the iPhone 17 and effective cost control to drive better-than-expected performance [1][12] - Analysts believe that strong demand for the iPhone 17, combined with lower operating expenses, will lead to revenue and profit exceeding market expectations in the upcoming fiscal quarter [12] Group 4: Micron and Semiconductor Industry Outlook - Micron's stock fell by 2.64% with a trading volume of $11.243 billion, while BNP Paribas raised its target price for Micron from $270 to $500 [13] - JPMorgan expects companies in the semiconductor sector to report fourth-quarter results that meet or exceed expectations, contributing to a positive earnings revision trend [13] Group 5: Intel's Revenue Forecast - Intel's stock declined by 5.72% with a trading volume of $6.309 billion, as the company projected first-quarter revenue for 2026 to be between $11.7 billion and $12.7 billion, significantly below market expectations [14] Group 6: CoreWeave and Nvidia Investment - CoreWeave's stock increased by 5.73% with a trading volume of $5.041 billion, as Nvidia announced an additional $2 billion investment to help CoreWeave build over 5 billion watts of AI computing power by 2030 [14][15] - This partnership will allow CoreWeave to be among the first to deploy Nvidia's next-generation products, including storage systems and new CPUs [14][15]