If I Could Only Buy 1 AI Stock in November After This Sell-Off, It Would Be This One.
Key Points
Last week's AI sell-off hit far more than CoreWeave, with Oracle, AMD, Super Micro Computer, and Palantir all falling hard on inflation data and debt-financing fears.
Astera Labs stock dropped 16.5% despite having no debt and $1.25 billion in cash, while launching its PCIe 7 Aries portfolio and the Orion rack design in October.
The stock trades at a high multiple and depends on a few large customers.
- 10 stocks we like better than Astera Labs ›
Last week, the artificial intelligence trade had its roughest week in months, and it was not just one company's problem. A hot inflation report raised the odds that borrowing costs will stay expensive, Goldman Sachs (NYSE: GS) and its CEO warned about debt piling up behind data center build-outs, and the selling spread quickly.
Oracle fell about 9%. Advanced Micro Devices dropped a similar amount. Super Micro Computer lost 23% and was the worst stock in the S&P 500. Palantir Technologies slid into correction territory as AI software names shed roughly $260 billion in value. CoreWeave and its $50 billion in debt made the headlines, but the damage extended to companies with no debt at all.
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Why Astera Labs got caught in the AI sell-off
Astera Labs (NASDAQ: ALAB) fell over 15% last week, and nothing about its business changed. The company makes the connectivity chips that sit between GPUs, CPUs, and memory inside AI servers, the retimers, switches, and cable modules that keep signals clean as data moves faster. If you think of a GPU as the engine, Astera makes the wiring harness. When investors dump anything tied to data center spending, Astera goes with it, even though it has no borrowings and about $1.25 billion in cash and short-term investments.
The sell-off was about who can afford to keep building. Astera is not the one borrowing.
What Astera Labs did this fall while the market panicked
The reason to buy this dip rather than any other one is what the company shipped in the weeks around it. On Oct. 8, Astera announced Aries 7, which it calls the industry's first full lineup of PCIe 7 signal-conditioning chips spanning both copper and optical links. PCIe 7 is the next-generation standard for moving data between chips, and Astera's parts now cover everything from a few centimeters of circuit board to more than 50 meters of fiber between racks. Intel and AMD, which have both validated Astera's retimers since PCIe 4, are collaborating with the company on the PCIe 7 transition. Samples ship this quarter.
Four days later, at the Open Compute Project summit, Astera unveiled Orion, a rack-scale reference design that lets a cloud provider pick whichever GPU or CPU is cheapest or most available and swap it later without redesigning the rack. It scales to 160 accelerators per pod and is built for neoclouds and enterprises serving AI inference.
Read that again in the context of last week: The market was punishing neoclouds for overcommitting capital to specific hardware, and Astera just launched a product designed to let them deploy with, in the company's words, "significantly lower upfront capex." Orion racks arrive through partners in the first quarter of 2027. In September, Astera also refreshed its Leo memory controllers for agentic AI workloads.
Why November is the month, and some risks
This is not a cheap stock. Astera trades at a high trailing earnings multiple; its chairman sold $51 million of shares in September, and revenue leans on a short list of hyperscale customers, per PV Research. If PCIe 7 adoption slips or a big customer pauses orders, the stock will not wait politely. Its 52-week price range is $98 to $499, which tells you everything you need to know about how it trades. Anyone buying here should expect more weeks like the last one and size the position so that does not matter.
Astera reports third-quarter results on Nov. 3. Management said in August that its Scorpio switch family would become the company's largest product line in the third quarter, a quarter earlier than planned. That report lands less than three weeks after a 16% drop driven by someone else's balance sheet. For a company that doubled revenue last quarter, has no debt, and just launched two product lines that every AI rack will need, that setup is as good as it gets. I would buy in November and hold through the next product cycle, not the next headline.
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Micah Zimmerman has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Advanced Micro Devices, Goldman Sachs Group, Intel, Oracle, and Palantir Technologies. The Motley Fool recommends Astera Labs. The Motley Fool has a disclosure policy.
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