Microsoft stock falls to $367 as AI capex raises doubts

Microsoft shares are trading around $367, more than a third below their July 2025 peak of $555.45, as the market weighs a $190 billion AI‑focused capital spend against solid top‑line growth [1][2].

Earnings strength versus cash flow pressure

Microsoft reported an 18% year‑over‑year revenue increase in its latest quarter, with Azure cloud growth accelerating to 40% and AI services generating a $37 billion annual run‑rate, up 123% from a year earlier [1]. These figures place Microsoft ahead of peers such as Apple (12.8% revenue growth) and Amazon (14.2% growth) [2]. However, free cash flow fell to $15.8 billion from $20.3 billion a year earlier, highlighting a widening gap between earnings ($31.8 billion net income) and cash generation [1]. The market’s pricing reflects this tension: the stock’s trailing twelve‑month P/E sits at roughly 22×, well below its five‑year median of 34× [1], while the price‑to‑cash‑from‑operations metric is at its cheapest since 2019 [1].

Valuation gap and capex risk

Analysts note that Microsoft’s operating margin of 47% is among the sector’s highest, yet the share trades at a 22.8× P/E, a notable discount to Apple’s 37.9× despite Apple’s slower growth and lower margins [2]. The primary driver of this discount is the $190 billion capex plan for 2026, aimed at building AI infrastructure [2]. Investors fear that the massive spend may outpace revenue acceleration, a risk amplified by competition from AWS and Google Cloud, which are also expanding AI‑centric offerings. If the anticipated cash‑flow recovery—projected to begin in FY 2027—does not materialize, the current valuation could embed a “bear‑case” scenario where the capex becomes a drag rather than a moat [1].

Competitive context

Microsoft’s AI revenue growth outpaces rivals, yet its AI assistant Copilot has only penetrated 4.4% of the commercial base [1]. Competitors such as Google Workspace and open‑source alternatives could erode this modest adoption, potentially limiting the upside of the $190 billion investment. Meanwhile, OpenAI’s diversification of cloud partners—including a $50 billion deal with Amazon—adds a longer‑term risk to Microsoft’s AI pipeline [1].

What to watch

• Q4 FY2026 earnings release (late July 2026) for updates on free cash flow and capex spend.
• AI infrastructure rollout milestones—e.g., the first half‑year of new data‑center capacity—against revenue growth targets.
• Copilot adoption trends and any competitive announcements from Google or open‑source AI platforms.

The stark contrast between Microsoft’s robust revenue growth and its shrinking cash flow underscores a pivotal question: will the $190 billion AI capex translate into sustainable earnings, or will it cement the current valuation discount? The answer will shape the stock’s trajectory in the coming year.