Microsoft's stock rose roughly 25% in the week following its July 29 fiscal fourth-quarter earnings release, carrying shares from around $389 to approximately $500. The Information reported Monday morning that Microsoft is targeting a September 2026 public unveiling of its next-generation Maia 300 AI accelerator and has entered talks with TSMC to secure manufacturing capacity for more than 300,000 units for delivery in 2027. Microsoft's fiscal fourth quarter ended June 30, 2026, produced revenue of $90.0 billion, up 18% year-over-year against a consensus of roughly $87.6 billion. Adjusted earnings per share came in at $4.74 versus the $4.24 estimate, an 11.8% beat. Net income surged 31% to $35.8 billion. Azure grew 43% year-over-year, accelerating from 40% in the prior quarter. For fiscal year 2026 in full, Azure crossed $100 billion in annual revenue for the first time, growing 41% over the year. Microsoft 365 Copilot added roughly 10 million paid seats in a single quarter, bringing the total to more than 30 million. The full-year scorecard showed revenue of $331.8 billion, up 18%; operating income of $155.2 billion, up 21%; net income of $133.7 billion, up 31%.