Microsoft’s shares surged 15.5% on Thursday, marking the biggest one-day jump since 2008. This rally added nearly $480 billion to its market value after the company reported Azure revenue surpassing the $100 billion milestone for the first time.

Strong Cloud Growth Meets Lower Spending Forecast

The tech giant’s earnings highlighted solid growth in cloud and AI services, with Azure revenue growth accelerating to 43% from 40% in the previous quarter, comfortably beating Wall Street’s 40% expectation. CEO Satya Nadella hailed this as a major win in the ongoing AI investment race.

Interestingly, Microsoft also trimmed its capital expenditure guidance for 2026 from about $190 billion to $175 billion. This adjustment reflects a longer assumed lifespan for its data center assets, extending from 15 to 25 years, easing spending pressures while maintaining growth momentum.

Market Reaction and Industry Context

The market’s enthusiasm contrasts with Alphabet’s recent move to raise its own capex forecast to between $195 and $205 billion for 2026, which coincided with a 6% drop in its stock price. Investors rewarded Microsoft’s blend of revenue growth and spending discipline.

Microsoft’s strong results revitalize the AI trade, reaffirming the tangible financial impact of AI investments. This performance also echoes other cloud-driven earnings this year, including Amazon’s surge led by its Anthropic investment and AWS expansion, reinforcing cloud as a dominant growth engine in tech.

Microsoft's Market Value Surges $450 Billion on Cloud Growth, Lifting Wall Street details the broader market buzz around this rally.

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