MICROSOFT Q4 FY2026 — KEY NUMBERS (REPORTED JULY 29, 2026)
● Revenue: $90.01 billion (+17.7% YoY) vs consensus $87.71B — beat by 2.6%
● Operating income: $40.6 billion (+18% YoY)
● Adjusted EPS: $4.74 vs consensus $4.24 — beat by 14.1% ($0.27 attributable to special items including $3.2B OpenAI investment gain)
● Azure growth: 44% in constant currency — well above the 39-40% guidance Microsoft gave
● Microsoft Cloud revenue: Crossed $50 billion in the quarter
● Quarterly CapEx: $35.8 billion (more than double the year-ago quarter's $17.1B)
● Full-year 2026 CapEx forecast: $175 billion (unchanged after accounting change)
● Stock reaction: +15.5% on July 30 — approximately $450 billion added to market cap
● Historical context: Largest single-day market cap increase in stock market history
Why the Market Reacted So Strongly
The context for the 15.5% single-day move matters. As CNBC reports, Microsoft's earnings landed against a backdrop of investor anxiety about AI infrastructure spending. Meta fell approximately 8% after its Q2 earnings raised CapEx concerns. Alphabet had already declined after its Q2 report. Both companies increased their CapEx guidance, and investors had been penalising AI infrastructure spending that could not demonstrate near-term revenue returns. Microsoft's results answered the specific question that Meta and Alphabet had failed to answer: whether AI infrastructure spending was translating into accelerating cloud growth. Azure at 44% — four to five percentage points above Microsoft's own guidance — is the answer.
According to Motley Fool's analysis, Microsoft also signalled it would keep its full-year 2026 CapEx at $175 billion — not increase it further — which the market read as cost discipline. Meta's Q2 CapEx guidance of $125-145 billion (raised from prior estimates) and Alphabet's $44.9 billion Q2 CapEx alone had spooked investors that AI spending was out of control. Microsoft's flat CapEx signal combined with accelerating Azure growth was the differentiated story.
Azure at 44% — What's Driving It
Azure's 44% constant-currency growth is the highest quarterly growth rate Azure has reported since early 2023. The acceleration comes from two sources. First: AI service attach — enterprise customers using Azure OpenAI Service, Copilot for Microsoft 365, and Azure AI Studio are consuming significantly more infrastructure than traditional workloads. Second: capacity catch-up — Microsoft has been constrained by data center availability and is now seeing the benefit of its accelerated build-out as capacity comes online. The company noted on its earnings call that demand continues to exceed capacity in some regions, which is why the CapEx rate remains elevated. The $35.8 billion in quarterly CapEx is not spending ahead of demand — it is still catching up to it.
The AI Trade Split — Microsoft vs Meta on the Same Week
| Company | Q2/Q4 Revenue | CapEx signal | Stock reaction |
|---|
| Microsoft | $90B (+18%), Azure +44% | $175B flat (unchanged) | +15.5% (+$450B) |
| Meta | Beat on revenue | $125-145B (raised) | -8% |
| Alphabet | $119.8B (+28%), Cloud +82% | $44.9B in Q2 alone | Fell on CapEx concerns |
The market reaction split reveals something specific about what investors are rewarding right now. Revenue beats are expected — all three companies beat consensus. What separates Microsoft is evidence that its AI infrastructure spending is generating measurable cloud acceleration. Alphabet showed Cloud +82% but its CapEx is running at a pace that investors find unsustainable. Meta showed CapEx going up without an equivalent cloud revenue line to show for it (Meta Compute is just launching). Microsoft showed CapEx flat-to-declining on a per-unit-of-cloud-revenue basis — the efficiency narrative the market wanted.
Sources: Yahoo Finance / Stock Analysis · CNBC · Motley Fool · Related: Alphabet Q2: Cloud +82% → · Meta Q2: CapEx $125-145B →