Microsoft Stock Jumps $450 Billion in a Day as Azure Cloud Revenue Tops $100 Billion
A Record One-Day Gain on Wall Street
The Microsoft Azure 100 billion milestone helped drive the company’s market valuation up by $450 billion on Thursday, the largest single-day increase for any company in U.S. stock market history. The jump alone was larger than the entire stock market of Turkey, valued at $404 billion in 2025 according to World Bank data, and dwarfed Poland’s $316 billion market.
Shares kept climbing into Friday, when Microsoft traded near $463, up roughly 19% from Wednesday’s close, just before its fiscal fourth-quarter earnings report came out. The rally pushed the stock close to its 2026 high of $481, reached back in January before AI spending worries dragged share prices down for months.
Why Azure’s $100 Billion Number Matters
The surge followed an earnings report that eased investor concern over whether hyperscalers like Microsoft were burning cash on artificial intelligence without seeing returns. Microsoft posted $90 billion in quarterly revenue, up 18% from the prior quarter.
Inside that report, CEO Satya Nadella disclosed that Azure, the company’s cloud computing platform, generated more than $100 billion in revenue for fiscal year 2026 — a first. Azure is the infrastructure businesses rent to store data and run AI tools built by partners including OpenAI and Anthropic, and investors have used its growth as the clearest signal of whether Microsoft’s AI investments are turning into profit.
Demand Is Outrunning Supply
Nadella said the milestone reflected what he called the confidence customers are placing in Microsoft to power their AI transformation, a line he used in the earnings statement. He also told investors on Wednesday’s call that AI sovereignty is increasingly top of mind for customers, pushing Microsoft to expand its offerings to meet that need.
Behind the numbers, Microsoft added 31 new data centers across five continents in the past quarter alone, bringing its total fleet to 88. The company said customer demand for cloud computing capacity is still outpacing what it can currently build, a gap that helps explain why it plans to spend $175 billion on AI infrastructure in 2026.
A Mixed Picture Across Big Tech
Wall Street now expects Microsoft’s momentum to continue, with analyst consensus pointing to roughly $95 billion in revenue for the next quarter. Not every AI-heavy tech giant fared as well this week: Meta shares fell 6% to $551 after the company projected weaker cash flows of just under $1 billion, a forecast that pushed some investors to pull back from its stock.
The contrast between Microsoft’s rally and Meta’s decline shows investors are drawing sharper lines around which companies can convert AI spending into paying customers right now, rather than treating the entire sector the same way.
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