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3 AI Infrastructure Stocks Retail Investors Are Watching As Data Center Spending Jumps

Simply Wall St·10/08/2026 04:56:07
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AI infrastructure is quietly turning into one of the biggest capital projects of this decade, with Broadcom, OpenAI and Oracle now talking in tens of billions of dollars just to keep data centers fed with custom chips. That sort of spending can reshape fortunes. Miss the right suppliers and you risk watching from the sidelines. This article walks through three stocks linked to that financing wave and explains why their exposure to this news deserves attention.

The stocks covered next are only a small sample of what this AI infrastructure theme throws up, and the full screen surfaced 133 more hardware suppliers with equally compelling narratives that are not discussed here. If you want to identify potential leaders and analyze their role in the data center buildout, head straight into the AI Infrastructure & Data Center Hardware Suppliers screener.

ASPEED Technology (TPEX:5274)

ASPEED Technology designs server management and multimedia chips that sit inside data center hardware used for AI workloads. This ties it neatly into the AI Infrastructure & Data Center Hardware Suppliers theme. The group generated about NT$11.8b in semiconductor revenue and carries a roughly NT$738.1b market cap.

ASPEED Technology is positioned in the plumbing of AI data centers through its server management and interface ICs, and recent debt fuelled chip orders from OpenAI and others keep that context front of mind. Investors watching this supplier also need to think carefully about what happens if a single key assumption breaks.

If that assumption worries you, go straight to the 3 key rewards and 1 important warning sign to see whether ASPEED Technology’s upside is compensating for the fragility you are pricing in.

TPEX:5274 1-Year Stock Price Chart
TPEX:5274 1-Year Stock Price Chart

Lumentum Holdings (LITE)

Lumentum Holdings builds the optical and photonic gear that lets AI data centers move huge volumes of information between servers at high speed. It reports about US$3.01b in Integrated Enterprise revenue and carries roughly US$102.7b in market value.

For investors focused on AI infrastructure, Lumentum offers a pure connection to the fiber links, lasers and switches that keep GPU clusters talking to each other, which is exactly where the current financing wave is pushing the most capital.

"If hyperscaler spending on training clusters peaks and inference networking does not fill the gap, cloud optics orders could decelerate, reducing revenue, leaving fixed manufacturing costs underabsorbed, and eroding the gross margin that currently props up the stock’s lofty valuation multiple."

What happens to Lumentum’s story now largely depends on how one hard to spot shift in AI networking demand plays out over the next phase.

That pivot in AI demand is exactly what the full narrative for Lumentum Holdings unpacks, separating headline cycle worries from where Lumentum’s long term data traffic story could still be accelerating.

NasdaqGS:LITE P/E Ratio as at Oct 2026
NasdaqGS:LITE P/E Ratio as at Oct 2026

Lattice Semiconductor (LSCC)

Lattice Semiconductor sells low power FPGAs and software that slot into data center control, networking and AI infrastructure, with its Core Lattice business producing about US$651 million of sales and the stock valued around US$19.1b.

Lattice Semiconductor fits this AI infrastructure screen because its low power FPGAs are increasingly wired into the control planes of servers and racks that host accelerators, and that link to the financing wave now racing into data center buildouts.

"AI focused server demand is expected to keep increasing FPGA content per rack for Lattice Semiconductor, with reported attach rates above 3x per rack in many systems and some AI racks using up to 100 devices, which points to a larger unit base and higher average selling prices that can support revenue and gross margin growth."

The real test for Lattice Semiconductor now is what happens if a single unseen pressure inside those AI control platforms begins to squeeze pricing power.

As that pressure builds, read the full narrative for Lattice Semiconductor to see how Lattice Semiconductor’s AI control footprint could still be accelerating beneath the surface.

NasdaqGS:LSCC Earnings & Revenue Growth as at Oct 2026
NasdaqGS:LSCC Earnings & Revenue Growth as at Oct 2026

Seeking Alternatives Before Momentum Flies

Fresh ideas move first. By the time every headline catches on, the cleanest entry points can be gone. Scan these focused stock lists before the crowd and act now.

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.