Microsoft Stock Slides as AI Spending Sparks Investor Anxiety

Microsoft reported a “record third quarter” driven by its cloud division, which generated $54 billion in revenue, a 29 % year-over-year increase. AI-related services now run at a $37 billion annual revenue rate, up 123 %, and more than 20 million paid seats use Microsoft 365 Copilot. Operating cash flow reached $170.1 billion and debt remains low, underscoring a cash-rich balance sheet despite the stock’s recent decline.

Is The Microsoft Stock Pullback A Buying Opportunity?

Management disclosed a plan to spend roughly $190 billion on capital expenditures in calendar-year 2026, far above Wall Street expectations. Capital spending has risen from $24 billion in FY 2021 to $88 billion in FY 2025, with the bulk directed to AI-focused data centers and processors. The magnitude of this outlay is a central factor behind the market’s heightened scrutiny.

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

The stock fell 17 % in June, putting it on track for its worst monthly performance since December 2000 and erasing more than $570 billion in market value. Year-to-date losses exceed 24 %, the steepest first-half decline since 2000. Valuation multiples diverge across sources: Trefis cites a price-to-earnings (P/E) of 20.9 versus the S&P 500’s 24.4, while Bloomberg reports a forward-earnings multiple of about 19, also below the S&P 500’s ~20. The price-to-sales ratio stands at 8.2, more than double the market average of 3.3.

Is The Microsoft Stock Pullback A Buying Opportunity?

Microsoft’s leadership emphasizes that AI is the engine of its cloud growth, noting the $37 billion AI revenue run rate and the $54 billion cloud revenue. The firm reaffirmed guidance for “another year of double-digit revenue and operating-income growth.” In early June, Microsoft launched an in-house foundation model, signaling a shift toward greater AI independence while maintaining its partnership with OpenAI, which now offers its products on any cloud platform. The company also adjusted Copilot pricing, ending free built-in access in certain Office applications.

Is The Microsoft Stock Pullback A Buying Opportunity?

Analysts warn that the scale of AI investment may be excessive and that AI could disrupt Microsoft’s core software suite, potentially rendering products like Word or Excel obsolete. Accelerating capex is already compressing Azure cloud-computing gross margins, raising doubts about near-term profitability. Investor sentiment reflects a “sell-first-and-ask-questions-later” stance, with concerns that AI-driven revenue may take longer than expected to materialize.

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

• “Microsoft is simultaneously under pressure from two forces—concerns that the scale of AI investment is too large, and fears that AI itself could disrupt the existing software market landscape.” — Jack Ablin, chief investment strategist, Cresset Wealth Advisors

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

• “investors are selling first and asking questions later.” — Jack Ablin, Cresset Wealth Advisors

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

• “accelerating capex that is compressing Azure cloud computing gross margins.” — Brad Reback, analyst, Stifel

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

• “Whether Word or Excel becomes obsolete because of AI remains to be seen.” — Jack Ablin, Cresset Wealth Advisors

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

• “a near-epic buying opportunity” — Keith Fitz-Gerald, head, Fitz-Gerald Group

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

• “gritting his teeth and holding on,” — Keith Fitz-Gerald, Fitz-Gerald Group

Microsoft Loses Over $570 Billion in Market Cap in a Single Month as AI Megabet Triggers Worst Selloff in 26 Years — BigGo Finance

Sources differ on valuation ratios (P/E 20.9 vs forward-earnings ? 19) and on the exact YTD decline (23.6 % vs >24 %). Neither source provides a detailed breakdown of the $190 billion capex by project type, leaving uncertainty about the timing of AI-driven profit conversion.

Is The Microsoft Stock Pullback A Buying Opportunity?

Consensus forecasts project 17 % revenue growth for the current fiscal year, accelerating to 18 % in FY 2028 and 20 % in FY 2029. Value investors such as Michael Burry have taken long-dated call options, suggesting belief in a future rebound. Market participants will watch AI adoption rates, Azure margin trends, and further capex allocations to gauge whether the stock’s valuation trough will evolve into a buying opportunity or deepen the correction.

Microsoft shares head for worst month since 2000 as AI concerns wipe out $570 billion