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ASML and TSMC just handed the AI bull case its strongest validation yet, reporting results and guidance that confirm hyperscaler infrastructure spending is accelerating, not cooling. For anyone still wondering whether the AI buildout has legs, the answer from the supply chain is a loud yes.

The numbers from the chip ecosystem's two most critical gatekeepers arrive as the broader data already tells a compelling story. NVIDIA (NASDAQ:NVDA) posted $68.13 billion in Q4 FY2026 revenue, up 73.2% year over year, with Data Center revenue hitting $62.31 billion, up 75%. Its Q1 FY2027 guidance calls for roughly $78 billion in revenue. Microsoft (NASDAQ:MSFT) nearly doubled its capital expenditures to $29.88 billion in Q2 FY2026, up 89% year over year, while its commercial backlog surged 110% to $625 billion. Advanced Micro Devices (NASDAQ:AMD) grew Data Center revenue 39% year over year to $5.38 billion in its most recent quarter.

NVDA is up about 9% over the past week. AMD has climbed roughly 11% over the same period.

If ASML and TSMC are confirming demand at the foundry and equipment layer, the entire AI infrastructure stack is signaling the same thing from the ground up. Investors who have been waiting for a spending slowdown to short this trade may be waiting a long time. Staying long the picks-and-shovels names makes sense if you believe hyperscaler CapEx commitments translate into sustained chip demand (NVDA chief among them) while watching Microsoft's Azure growth trajectory as the clearest real-time read on enterprise AI adoption.

READ: The analyst who called NVIDIA in 2010 just named his top 10 AI stocks

If that spending decelerates, the thesis changes fast. But I don't see any sign of that yet.

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