Microsoft (MSFT) Stock Today — Nov. 11, 2025: Shares Edge Higher as $10B Portugal AI Hub, Patch Tuesday Fixes and New Enterprise AI Deals Dominate Headlines

Updated Nov. 11, 2025

Key takeaways

MSFT trades slightly higher late Tuesday: ~$508.68, up about 0.6% on the day; intraday high/low ~$509.54/$502.44. Market cap ~$3.85T; P/E ~36.7. (As of 21:40 UTC.)
Microsoft unveils a ~$10B AI data center investment in Portugal’s Sines, partnering with Start Campus, Nscale and NVIDIA (12,600 next‑gen GPUs). ^[1]
November Patch Tuesday lands: 63 vulnerabilities fixed, including one actively exploited zero‑day—a notable security headline for enterprise customers. ^[2]
Enterprise AI momentum: Essity selects Accenture and Microsoft to accelerate agentic AI adoption across core functions. ^[3]
Macro backdrop: Dow closes at a record high while AI names are mixed; Nvidia dips as traders reassess valuations. ^[4]

Market snapshot: MSFT price action

Microsoft stock traded modestly higher on Tuesday, recently around $508.68, up $2.91 (~0.6%) versus the prior close. The session’s high/low printed near $509.54/$502.44, with intraday volume just under 17 million shares by late trade. Microsoft’s market capitalization hovered near $3.85 trillion, with a P/E of roughly 36.7 on trailing EPS of about $14.06. (All figures as of 21:40 UTC.)

The news driving MSFT today

Microsoft commits ~$10B to a European AI hub in Portugal

Microsoft said it will invest $10 billion over the next few years in AI infrastructure at a Sines, Portugal data center complex, in collaboration with Start Campus, Nscale, and NVIDIA, which will supply 12,600 next‑generation GPUs. The project is among Europe’s largest AI builds to date and aims to leverage Sines’ power and subsea cable connectivity advantages. ^[5]

Why it matters for the stock: hyperscale AI capacity is the scarce input behind Copilot, Azure OpenAI and broader cloud/AI demand. Additional GPU‑rich capacity supports Azure growth but also extends the capex cycle investors have been tracking since Microsoft’s Q1 FY26 call. (Management previously highlighted strong revenue growth and higher AI‑related investment intensity.) ^[6]

Related competitive context: Separately today, reporting highlighted Google’s fresh multibillion‑dollar European cloud buildout, underscoring the broader race to secure AI compute in the region. ^[7]

November 2025 Patch Tuesday: 63 CVEs fixed, including one zero‑day

Microsoft’s monthly security rollup addressed 63 vulnerabilities, with four rated Critical and one actively exploited zero‑day (Windows Kernel elevation of privilege). For enterprise procurement and CIO desks, timely patching reduces operational risk and can influence platform selection confidence heading into year‑end IT freezes. ^[8]

Enterprise AI adoption: Essity taps Accenture + Microsoft to scale agentic AI

Essity announced a multi‑year collaboration with Accenture and Microsoft to deploy agentic AI (AI systems that can reason, plan and act) across finance and procurement first, then expand to other processes on Azure/Copilot Studio/Power Platform. The deal is a fresh proof point for Microsoft’s enterprise AI stack and services pull‑through. ^[9]

Context: On Microsoft’s official blog today, leadership highlighted findings from a new IDC‑backed study on “Frontier firms”—organizations seeing outsized returns from AI and increasingly building custom AI solutions. That narrative dovetails with customer wins like Essity and supports longer‑term Azure/Copilot monetization. ^[10]

Broader tape: AI complex mixed as Dow hits a record

Into the close, the Dow Jones Industrial Average hit a record high as investors bet on a resolution to the U.S. government shutdown, while some AI‑related shares softened amid valuation worries—an environment that can cap gains for mega‑cap AI leaders even on positive company news. ^[11]

Earnings and fundamentals: quick refresher

Microsoft’s Q1 FY26 (reported Oct. 29) featured $77.7B revenue (+18% y/y) and EPS of $4.13 (+23% y/y), with the company returning $10.7B to shareholders via dividends and buybacks in the quarter. Management flagged continued efficiency gains in Microsoft 365 Commercial Cloud alongside ongoing AI investment ramp. These trends form today’s backdrop as investors weigh growth vs. capex. ^[12]

What to watch next

Capex trajectory & GPU supply: The Portugal hub adds to Microsoft’s AI compute roadmap; watch for updates on 2026 AI capex cadence and GPU/accelerator availability. ^[13]
Security posture & enterprise trust: Follow‑through on Patch Tuesday adoption and ongoing Secure Future Initiative milestones may influence CIO sentiment across Azure/M365 deals. ^[14]
Macro/AI equity rotation: With indices diverging and some AI peers under pressure, MSFT’s relative strength may hinge on defensiveness (recurring cloud) vs. valuation sensitivity. ^[15]

Bottom line for Nov. 11, 2025

MSFT ended the day modestly higher as investors parsed a major European AI build, a busy security update slate, and new enterprise AI deployments. The drivers reinforce the same thesis: Microsoft is leaning into AI infrastructure while pushing enterprise adoption—an equation that can support revenue growth but keeps capex in focus. ^[16]

This article is for informational purposes only and is not investment advice.

Sources

Microsoft to invest $10B in AI data hub in Portugal (Sines), partners and GPU details. ^[17]
Patch Tuesday: 63 CVEs fixed, including one zero‑day. ^[18]
Essity–Accenture–Microsoft agentic AI collaboration announcement. ^[19]
Microsoft blog: Frontier firms and AI transformation (IDC study highlights). ^[20]
U.S. market close: Dow record, AI names mixed. ^[21]
Q1 FY26 results and shareholder returns. ^[22]
Real‑time MSFT quote and intraday stats (21:40 UTC).