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CALX is growing beyond broadband hardware with AI-native software and recurring services, but investors are weighing stronger revenue against margin pressure.

Here is how Ciena (CIEN) and Arista Networks (ANET) have performed compared to their sector so far this year.

Instead of returning cash to shareholders, Arista has halted stock buybacks. The company is making a massive bet on future growth, amassing inventory obligations at an unprecedented rate. Purchase commitments have swelled to $8.9 billion, a clear signal that management is preparing for a demand wave.

CIEN and NOK are riding the AI networking boom, but which stock stands out as stronger based on growth, demand, valuation and outlook?

The networking giant is selling AI gear faster than it can build it. That's what drove the stock up, and it's the biggest risk you're taking now.

Its history of deep, prolonged drops in market shocks is the real risk to weigh against today's AI-fueled growth story.

The networking specialist looks expensive at a glance, but a patient investor is buying into future growth at a significant discount.

Ciena Corporation (NYSE:CIEN) is one of the 15 Best AI Stocks to Buy and Hold for the Next 5 Years. On June 4, Ciena Corporation (NYSE:CIEN) CEO Gary Smith told Bloomberg Open Interest that growing artificial intelligence networking demand differs fundamentally from the dot-com era. He commented that the company is benefiting from expanding AI […]

GOOGL, MSFT, AMZN and CIEN offer cloud exposure as AI demand, scalability and cost efficiency fuel long-term market growth.

This is a supply-constrained hyper-growth year for Arista Networks (ANET). The company provides high-speed data center switching, with cloud titans Microsoft and Meta as its long-standing anchor customers.

Management is signaling its strongest demand ever, yet the stock's reaction suggests investors are waiting for the other shoe to drop.

After a very strong 319.5% return over the past year, Viavi Solutions now screens as undervalued on market multiples, while its broader valuation checks point to a more mixed picture. This puts the recent share price surge under closer scrutiny. Viavi Solutions has delivered a 319.5% return over the last 12 months, so recent buyers are effectively paying up after a sharp rerating. Expectations around AI driven data center and optical networking demand can support optimism on revenue...

Ciena Corporation (NYSE:CIEN) is one of the best performing AI stocks over the last 3 years, with a 3Y CAGR of 120.4%. On June 8, UBS reiterated its Hold rating on the stock and raised its price target to $508 from $285. The action followed Ciena’s fiscal second-quarter report, where revenue rose 40% year over […]

Ciena recently reported strong fiscal second-quarter revenue growth and a US$7.70 billion backlog, reflecting intense demand for its optical networking infrastructure supporting AI workloads. This combination of accelerating AI-related orders and a sizable backlog highlights how central Ciena’s technology has become to large-scale cloud and data center buildouts. We’ll now explore how this expanding AI-driven backlog could influence Ciena’s existing investment narrative and the assumptions...

Ciena stock has delivered an extremely strong run over the last few years. However, the current valuation checks flag it as expensive rather than a clear bargain, which puts recent enthusiasm in tension with what the broader metrics are saying about price versus fundamentals. Ciena has returned just over 10x in the last 3 years, a very large gain that raises the bar for what future performance would need to justify the current share price. Recent leadership moves in supply chain and product...

Beneath its strong run, the options market is pricing a year of extreme outcomes for Arista Networks, a two-sided risk you already carry in your portfolio.

Ciena's optical networking systems became essential AI infrastructure in 2026. But the rally came with a hefty dose of valuation risk.

CIEN is riding the AI-driven optical networking demand, record revenue and a growing backlog. See what's fueling its outlook despite supply constraints.

More than simply catching the AI updraft, the networking gear maker built a backlog that has investors asking if this time is truly different.

Ciena Corporation (NYSE:CIEN) is one of the top stocks to buy according to Whale Rock Capital Management. On June 23, Ciena Corporation’s (NYSE:CIEN) Blue Planet division and Telefónica Deutschland announced they had completed a joint proof of concept, or PoC, showing how AI agents can speed up the design of 5G network slicing services. The […]

Viavi Solutions Inc. (NASDAQ:VIAV) is one of the top stocks to buy according to Whale Rock Capital Management. On July 1, Susquehanna analyst Mehdi Hosseini raised his price target on Viavi Solutions Inc. (NASDAQ:VIAV) to $66 from $60, while maintaining his Positive rating on the stock. The reason for the call, according to Hosseini, was […]

Goldman Sachs began coverage of the electrical contracting giant Comfort Systems USA. The stock jumped as much as 9% on Thursday.

Memory chips, optical technology, semiconductor equipment makers, oh my! The three themes within the AI trade have emerged as investors' favorites, sending related stocks skyrocketing this year. They're also leading today's session.

AGX, CIEN, DDS and SMTC stand out as liquid, efficient stocks with growth potential, backed by solid ratios, asset use and recent revenue gains.

Ciena Corporation (NYSE:CIEN) is one of the 15 Best Stocks to Buy for the Second Half of 2026. On June 17, Ciena Corporation (NYSE:CIEN)’s Blue Planet division introduced Blue Planet Configuration and Change Management (CCM). The firm reported AI-powered platform brings together device configuration and lifecycle management across multi-vendor networks. It also replaces fragmented tools […]

CIEN is broadening its AI-focused data center connectivity portfolio with new platforms, hyperscaler wins and expanding demand across networking solutions.

LITE's 700% rally has been fueled by AI and cloud demand, but strong fundamentals and optical networking growth keep its buy case intact.

CIEN's Blue Planet AI PoC with Telefonica Deutschland shows how AI-driven network automation could boost software growth and enterprise 5G opportunities.

The company is seeing the best demand in its history as AI buildouts accelerate, but it's also warning that severe supply shortages could cap that growth for years.

Ciena (CIEN) has just shifted further into the growth spotlight, joining several Russell growth indices while delivering an AI driven 5G network slicing proof of concept with Telefónica Deutschland that showcases its automation capabilities. See our latest analysis for Ciena. Despite the recent 2.7% 1 day share price gain to US$433.83, Ciena’s 7 day and 30 day share price returns are down 9.4% and 11.1%. The very large 1 year and 3 year total shareholder returns suggest longer term momentum...