Microsoft scores three major AI deals in a day

Core Insights - Microsoft briefly reached a market cap of $4 trillion, driven by OpenAI's restructuring, with Microsoft holding a $135 billion stake in OpenAI, representing 27% ownership [1] - The valuation of Microsoft's stake in OpenAI is nearly 10 times the $13.75 billion invested since 2019, indicating significant financial success [1] - Analysts suggest that the new OpenAI agreement provides a solid framework for future growth and alleviates previous pressures on Microsoft's shares [1] Microsoft and OpenAI - Microsoft has secured a $135 billion valuation from its stake in OpenAI, marking a substantial increase from its initial investment [1] - The restructuring of OpenAI is expected to enhance Microsoft's stock performance and investor interest [1] New Partnerships and Deals - Microsoft has entered into a multibillion-dollar agreement with Lambda to deploy AI infrastructure utilizing Nvidia GPUs [2] - A multi-year contract worth $9.7 billion has been signed with IREN Limited for GPU cloud services, with a 20% prepayment included [3][4] - IREN will provide access to NVIDIA GB300 GPUs over five years, with deployment expected through 2026 [4] Investment in AI Infrastructure - Microsoft plans to invest approximately $8 billion in data centers, cloud computing, and AI projects in the UAE over the next four years, following U.S. approval to ship Nvidia chips to the region [5]