Microsoft reached a $4 trillion market cap after restructuring its OpenAI partnership, valuing the stake at $135 billion. Nvidia previously achieved this milestone. Fiscal Q1 results exceeded expectations, driven by Azure cloud services. Despite a $3.1 billion hit from OpenAI, net income rose. Analysts forecast revenue growth to $507 billion by 2030.

Read more at Yahoo Finance: Welcome to the $4 Trillion Market Cap Club, Microsoft! Are There More Gains for MSFT Stock in Store?