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3 AI Infrastructure Stocks To Watch As Data Center Demand Builds

Simply Wall St·09/27/2026 22:20:24
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AI heavyweights have just been thrown a fresh curveball, with Citi urging investors to “buy the next dip” even as war, oil and rate worries swirl around U.S. markets. That mix of anxiety and optimism can punish hesitation and reward preparation. This piece walks through three large cap AI driven technology stocks exposed to that news, so you can judge whether they belong on your watchlist or on your avoid list.

The stocks highlighted below are only a small sample of the idea. The full screen surfaces 34 more large cap AI linked U.S. technology companies that carry similarly compelling business stories. To see the broader universe and start sorting through potential high conviction opportunities yourself, head straight to the U.S. Large-Cap AI-Driven Technology Stocks screener.

MACOM Technology Solutions Holdings (MTSI)

Overview: MACOM Technology Solutions Holdings supplies analog and RF semiconductors that feed high speed communications and data infrastructure for AI centric workloads.

Operations: MACOM generates about US$1.16b from designing, developing, manufacturing and marketing semiconductors and modules, with revenue mainly from the United States and China.

Market Cap: US$21.8b

MACOM Technology Solutions Holdings matters in this AI focused screen because its analog and optical chips sit inside the high speed networks that move AI traffic between servers, edge gear and telecom backbones.

"Accelerating AI and cloud data center demand for higher speed optical connectivity, including 800G and 1.6T products, 200G and 400G per lane photodetectors and PCIe optical interconnects, supports the view that MACOM Technology Solutions Holdings can expand revenue as these architectures scale through its optical chipset portfolio."

The real swing factor for MACOM is how one less visible capacity and cost decision filters through to long run margins and cash generation.

That margin story is only half the equation, and the full narrative for MACOM Technology Solutions Holdings connects those cost choices to where MACOM Technology Solutions Holdings could be headed as AI optical demand increases.

NasdaqGS:MTSI Revenue & Expenses Breakdown as at Sep 2026
NasdaqGS:MTSI Revenue & Expenses Breakdown as at Sep 2026

Dynatrace (DT)

Overview: Dynatrace runs an AI powered observability platform that helps large enterprises monitor, secure and tune complex cloud and application environments.

Operations: Dynatrace generates about US$2.10b from internet software and services, with roughly US$960 million coming from customers in the United States.

Market Cap: US$16.7b

In the U.S. Large Cap AI Driven Technology Stocks theme, Dynatrace matters because its software helps the biggest digital businesses keep AI heavy cloud systems reliable, efficient and secure. This is often where budgets tend to hold up when companies look for hard cost savings.

"The shift to the Dynatrace Platform Subscription (DPS) is a game changer that the market hasn't fully priced in. Data confirms that customers moving to DPS increase their usage and spending by 2x compared to the old model."

What happens to Dynatrace’s earnings power if that quiet shift in how customers buy and consume the platform keeps compounding beneath the surface?

That quiet shift is exactly what the full narrative for Dynatrace unpacks, separating durable AI driven demand from short term noise and highlighting where Dynatrace’s model could still be mispriced.

NYSE:DT Revenue & Expenses Breakdown as at Sep 2026
NYSE:DT Revenue & Expenses Breakdown as at Sep 2026

Lam Research (LRCX)

Overview: Lam Research supplies the chipmaking tools that enable advanced AI processors and memory, effectively selling the picks and shovels for AI infrastructure.

Operations: Lam Research generates about US$23.23b from manufacturing and servicing wafer processing equipment, with key markets including China, Taiwan, Korea, Japan and the United States.

Market Cap: US$394.46b

AI data centers only run as hard as the silicon inside them, and Lam Research is one of the few companies providing the complex equipment chipmakers need to keep that AI engine supplied.

"NAND conversion pace. The June quarter's doubling is the first real evidence the upgrade cycle has started."

The key issue for Lam Research is what happens to margins and cash flow if one critical assumption about that upgrade tempo quietly shifts.

If that upgrade tempo proves more than a blip, the full narrative for Lam Research shows how Lam Research’s AI tool demand, capital intensity and risk profile could be quietly decoupling from peers.

NasdaqGS:LRCX Revenue & Expenses Breakdown as at Sep 2026
NasdaqGS:LRCX Revenue & Expenses Breakdown as at Sep 2026

Seeking Fresh Alternatives Before They Fly

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.