Microsoft's $678 Billion Backlog Just Ended the AI Spending Debate
Published on 08/01/2026 at 14:02 | Redaktion boerse-global.de
The question that has dogged Microsoft for months was simple: do the billions pouring into artificial intelligence infrastructure actually make financial sense? After Thursday's earnings report, the market delivered its verdict — and it was the loudest one-day endorsement in stock market history.
Shares closed Friday in Frankfurt at €403.00, up 3.03 percent on the day and 20.03 percent higher over seven trading sessions. The move added roughly $450 billion to Microsoft's market value, the largest single-day gain any company has ever recorded, surpassing Nvidia's previous record from April 2025.
The numbers that changed the conversation
The catalyst was a fiscal fourth-quarter report that ended June 30, 2026, and it was Azure that stole the show. The cloud division grew 43 percent in the quarter — its fastest pace since early 2022, accelerating from 39 percent in the prior quarter — and crossed the $100 billion annual revenue threshold for the first time. The broader Microsoft Cloud segment rose 27 percent to $59.3 billion.
Total revenue climbed 18 percent to $90.0 billion, with operating income up 18 percent to $40.6 billion. Non-GAAP earnings per share came in at $4.74, comfortably ahead of the $4.24 consensus estimate. For the full fiscal year, Microsoft booked $331.8 billion in revenue, also up 18 percent.
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Management's guidance for the current quarter points to revenue between $89.85 billion and $90.95 billion, with Azure growth of roughly 45 percent at constant currency — a signal that the acceleration has room to run.
The backlog that justifies the capex
The counterweight to Microsoft's spending has always been its capital expenditure. The company shelled out a record $41 billion in the quarter, largely on processors and graphics chips for data center expansion, which dragged free cash flow down 23 percent. For the full fiscal year, capex guidance stands at around $175 billion, with more than $50 billion expected in the first quarter alone.
Normally, that kind of cash burn would spook investors. What changed the calculus is the commercial remaining performance obligation — the backlog of contracted future revenue — which jumped 84 percent year over year to $678 billion. That figure transforms the spending narrative: this isn't a bet on speculative demand, it's a mountain of already-signed commitments that provides multi-year visibility.
The Copilot story reinforces the point. Microsoft 365 Copilot surpassed 30 million paid users, up from 20 million just three months earlier — a 50 percent quarterly jump that marks the transition from pilot program to mainstream adoption.
A one-time GAAP gain of $3.2 billion from the company's stake in Anthropic helped lift net income 31 percent to $35.8 billion under GAAP. CFO Amy Hood also flagged an accounting change extending the assumed useful life of data centers from 15 to 25 years, which will reduce future depreciation charges.
Analysts scramble to keep up
The surge has triggered a wave of target price revisions. BMO Capital Markets raised its target from $500 to $515 on Saturday while maintaining an Outperform rating, implying roughly 10.8 percent upside from current levels. At least nine brokers have lifted their targets, with the average now at $560.90 and the broader consensus at $558.64 with a Moderate Buy rating. The median consensus target of $489.39 still implies about 21 percent upside.
Not everyone is fully on board. Jefferies strategist Chris Wood cautioned that the industry-wide AI investment push risks burning billions if growth fails to materialize as hoped.
A hot tape with a cold reality check
The technical picture suggests the rally may be running ahead of itself. The 14-day relative strength index sits at 73.8, firmly in overbought territory, and the stock trades 16.26 percent above its 50-day moving average of €346.64. A pullback after a 20 percent weekly surge would be normal market mechanics rather than a cause for concern.
Context matters here. Despite the recent run, Microsoft remains down 2.46 percent year to date and sits 15.71 percent below its 52-week high of €478.10 from October 2025. The stock's recovery from its 52-week low of €307.10 in late June underscores how dramatically sentiment has shifted.
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The weak spots nobody is talking about
Not every segment delivered. Windows OEM & Devices revenue fell 7 percent, with the pure Windows OEM business down 5 percent, which Microsoft attributed to softer PC demand and a tough comparison against the Windows 10 end-of-support boost. Support for Windows 10 has since been extended to October 2027.
In the broader cloud infrastructure market, which grew 43 percent to $143 billion in the second quarter of 2026 — the fastest growth in eight years — Azure holds a 20 percent share behind AWS's 28 percent. Together with Google Cloud, the three largest providers control 67 percent of the market.
Some executives have trimmed their stock positions recently, though this is widely viewed as routine portfolio management at elevated prices rather than a signal of waning confidence.
With a market capitalization of €2,535.40 billion, Microsoft has accomplished something rare: it has demonstrated that aggressive AI investment can produce measurable returns. The $678 billion backlog is the evidence — and for now, the market is convinced the spending was worth every dollar.
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