3 AI Networking Stocks Quietly Dominating Their Niche in August
3 AI Networking Stocks Quietly Dominating Their Niche in August
Joel South Wed, August 19, 2026 at 11:01 AM UTC
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ANET raised full-year guidance to $12.6B as multi-year purchase commitments tripled to $9.7B, while AVGO's Q3 AI semiconductor revenue guide hit $16B.
MRVL surged 176% year to date after CEO Matt Murphy raised FY27 interconnect revenue growth expectations to more than 70% year over year.
Act now: the analyst who called NVIDIA in 2010 just named his top 10 AI stocks — and Broadcom didn't make the cut. Grab the names FREE today.
The connectivity layer of AI infrastructure has become the most reliable profit center in the buildout. While attention concentrates on GPUs and hyperscaler capex, the switches, optics, and custom networking silicon that stitch clusters together are compounding at rates rivaling accelerator vendors. Three names have separated from the pack: an Ethernet fabric specialist, a custom silicon giant with a networking moat, and a rising optical interconnect leader. Each posted a beat-and-raise in its most recent quarter, and each is priced for continued acceleration.
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Here is the bull case for each, backed by the numbers. The networking layer is exactly the kind of non-GPU AI exposure we mapped in a free report on seven suppliers powering the buildout, from power and cooling to the fabric itself.
Arista Networks (ANET): The Ethernet Fabric Leader
Arista Networks (NYSE:ANET) has become the default choice for hyperscalers standardizing on Ethernet-based AI fabrics. Shares are trading at $201.80, up 19.68% over the past month and 54.01% year to date.
The Q2 FY26 earnings report on August 4, 2026 confirmed the thesis. Revenue reached just over $3 billion, up 37.7% year over year, with non-GAAP EPS of $1.02 against a $0.89 estimate. It was Arista's fifth consecutive EPS beat. Full-year revenue guidance was raised to $12.6 billion, representing 40% annual growth, and the AI fabrics goal moved to at least $3.5 billion.
Act now: the analyst who called NVIDIA in 2010 just named his top 10 AI stocks — and Broadcom didn't make the cut. Grab the names FREE today.
CEO Jayshree Ullal framed the scale plainly: "Our AI fabrics momentum with EtherLink switches now exceeds 100 cumulative customers from the initial four to five customers I spoke of in 2024." The 7060XE7 platform delivers 100 terabit capacity and 1.6 terabit throughput with first liquid cooling options, and multi-year purchase commitments have nearly tripled from a year ago at $3.6 billion to approximately $9.7 billion by the end of Q2 2026. Analyst sentiment is uniform: 97% bullish with 29 buy/strong buy ratings and zero sells, with a target of $241.82.
ANET Earnings Explorer — 24/7 Wall St.
ANET Analyst Ratings — 24/7 Wall St.
Risk to watch: Customer concentration remains real. Ullal expects "one, maybe two, 10% customers", and any Microsoft or Meta pause would ripple. A trailing P/E near 72 leaves little room for stumbles.
Broadcom (AVGO): Custom Silicon Plus a Networking Moat
Broadcom (NASDAQ:AVGO) sits at the intersection of custom AI accelerators and the switching silicon that clusters them. The stock trades at $392.43, up 13.80% year to date, though it has pulled back 7.10% over the past week.
Q2 FY26, reported June 3, 2026, delivered $22.2 billion in revenue, up 48% year on year, with AI semiconductor revenue of $10.8 billion, up 143%. Networking made up almost 40% of Q2 AI revenue, where the durable moat lives. CEO Hock Tan put it directly: "While we have significant IP and execution leadership in XPUs, networking is key to building scalable XPU and GPU clusters. And here in networking, we have at least one generation of technology and product leadership."
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Q3 guidance calls for $29.4 billion in revenue, up 84% year on year, with AI semiconductor revenue accelerating to $16 billion, up over 200%. Six core hyperscaler customers, including Google, Anthropic, OpenAI, and Meta, have multi-gigawatt commitments, and Broadcom is planning to ship 10 gigawatts in FY2027. Q2 free cash flow was a record $10.3 billion.
AVGO Earnings Explorer — 24/7 Wall St.
Risk to watch: Retail sentiment turned sharply cautious around the August 4-5 window with Reddit sentiment scores collapsing to 12 (very bearish) alongside heavy activity. Concentration among a handful of frontier-lab customers is the underlying vulnerability if any single roadmap slips.
Marvell Technology (MRVL): The Optical Interconnect Story
Marvell Technology (NASDAQ:MRVL) is the year's clearest breakout, trading at $234.33 after gaining 176.15% year to date and 24.19% in the past month. Optical interconnect and custom silicon are compounding faster than the rest of the AI stack.
Q1 FY27 revenue hit $2.418 billion, up 28% year over year, with data center revenue of $1.83 billion, up 27%. CEO Matt Murphy raised the bar: "Demand for our interconnect products continues to accelerate, and as a result, we have increased our fiscal 2027 revenue growth expectations for this business to more than 70% year over year." Full-year FY27 revenue guidance was raised to approximately $11.5 billion (40% YoY growth), and FY28 guidance moved to approximately $16.5 billion (45% YoY growth). Custom silicon is targeting $10+ billion in revenue by fiscal 2029.
Recent acquisitions (Celestial AI, closed 2/2/2026, and XConn on 2/10/2026) round out a photonic and chiplet portfolio deep enough to compete on end-to-end scale-up solutions. Analyst consensus stands at 88% bullish with 38 buy or strong buy ratings and zero sells, with a target of $257.29.
MRVL Earnings Explorer — 24/7 Wall St.
MRVL Analyst Ratings — 24/7 Wall St.
Risk to watch: Volatility is elevated, with a beta of 2.25. Reddit sentiment on wallstreetbets swung from very bullish (score 85) on August 7 to very bearish (score 12) by August 13-14, hyperscaler in-house silicon risk is real, and a $331.8 million contingent consideration charge highlights ongoing integration complexity.
What to Watch Next
The setup into fall is clean. Broadcom's Q3 print will test the $16 billion AI semiconductor guide. Marvell's next report will confirm whether the raised FY27/FY28 outlooks are conservative. Arista already told investors what to expect: Q3 revenue of approximately $3.3 billion and diluted EPS of $1.06 to $1.08. If any of the three delivers a beat on top of already-raised guidance, the "quietly dominating" label stops being quiet.
Act now: the analyst who called NVIDIA in 2010 just named his top 10 AI stocks — and Broadcom didn't make the cut. Grab the names FREE today.
Contact editorial@247wallst.com for any questions or corrections.
Source: “AOL Money”
