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Extreme Networks (NASDAQ:EXTR) reported fourth-quarter fiscal 2026 revenue of $339 million, up 10% from a year earlier and 7% sequentially, as the networking company cited continued product demand, higher gross margins and growing adoption of its Extreme Platform ONE platform. For the full fiscal y

In early August 2026, Quantum Corridor Inc. reported a successful trial of high-speed quantum-safe networking on its live Midwest commercial network, using Ciena’s WaveLogic 6 Extreme 1.6 Tb/s quantum-safe encryption and Toshiba’s quantum key distribution technology alongside existing WaveLogic 5 Extreme 800G traffic. The trial highlights how Ciena’s hybrid approach combining post-quantum cryptography with quantum key distribution can help operators secure current high-capacity networks...

Ciena (NYSE:CIEN) completed a trial of quantum-safe networking with Quantum Corridor Inc. and Toshiba International Corporation. The test combined Ciena's WaveLogic 6 Extreme platform with Toshiba's quantum key distribution encryption technology. The trial focused on providing quantum-safe data protection for enterprises and service providers facing rising cybersecurity risks. Ciena is best known for its optical networking and routing solutions that sit at the core of telecom and cloud...

Applied Optoelectronics heads into Q2 earnings with AI-driven 800G demand and CATV growth, but valuation and production constraints loom.

GLW has fallen 13.9% in three months, but AI infrastructure, solar and automotive growth could support demand as investors weigh key risks.

Ciena and Boston Beer have been highlighted as Zacks Bull and Bear of the Day

As hyperscalers scale out distributed AI factories, high-speed optical networking infrastructure becomes a vital link that prevents high-cost GPU clusters from going idle.

If you hold shares in this AI networking leader, the options market says you're already signed up for a remarkably wide range of outcomes over the next year.

Needham says Verizon's dark fiber partnership with Google could create more than $100 million in new revenue for Ciena, adding another catalyst to its AI growth story.

VIAV faces fiscal Q4 earnings with AI networking launches and Spirent integration in focus, but weak telecom spending and cash flow concerns cloud the outlook.

Ciena stock has delivered a very large 3 year gain of roughly 7x, yet the current valuation picture is split, with a Discounted Cash Flow (DCF) intrinsic value estimate suggesting the shares trade at a sizeable discount while earnings based multiples point to an expensive profile and a low overall value score. Over the past 3 years, Ciena has returned roughly 7x, which puts extra focus on whether recent price strength is supported by fundamentals. Future cash flow growth and the timing of...

The networking giant's shares carry a premium, but a look two years into the future reveals a valuation that is far more ordinary.

Corning surpasses expectations with its second-quarter earnings, but the stock falls on in-line guidance.

The networking giant's shares carry a premium price tag, but a look at future earnings reveals a different story about what investors are actually paying for growth.

Ciena is set to post its third-quarter results soon, and analysts predict a triple-digit surge in the company’s bottom-line figure.

NOK tops earnings estimates as AI networking and stronger margins help offset uneven telecom spending, offering fresh insight into its evolving growth outlook.

NOK is expanding beyond telecom into AI networking, cloud connectivity and enterprise infrastructure as rising AI demand reshapes its long-term growth strategy.

GE Aerospace, AT&T and Chubb headline today's top analyst reports, highlighting business momentum, key challenges and strategic drivers shaping each company.

The networking giant is standing out in a weak market, but what it really offers your portfolio is a powerful, and volatile, dose of something new.

AGX, CIEN, HUBS and SMTC make the cut as the top liquid stocks, each boasting strong liquidity, growth attributes and operational efficiency.

Corning's AI-driven optical business and solar growth support its outlook as Corning heads into Q2 earnings. Is the momentum enough to continue?

If you hold Arista Networks (ANET) stock, you've been rewarded for betting on the AI boom. The shares have climbed 51% over the past year and trade near their 52-week high, a testament to the company's central role in building the networks that power artificial intelligence. But with a price-to-sales multiple of 21.9 sitting at a 10-year peak, the stock is priced for near-flawless execution. That's precisely why it's worth focusing on what could go wrong. The biggest risks for Arista aren't hypo

Ciena (CIEN) is back in focus after Zacks raised its full-year earnings estimate by 5.9% over the past 3 months, along with a Strong Buy rating that reflects improving sentiment. See our latest analysis for Ciena. Ciena’s recent 7.91% 1 day share price gain to US$408.73 comes after a period where the stock fell 18.09% over 90 days, yet still delivered a very large 1 year total shareholder return, suggesting longer term momentum remains strong despite recent volatility. If Ciena’s move has you...

CALX is expanding AI-native broadband software and recurring services as providers modernize networks, but margin and execution challenges remain in focus.

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.

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.

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 […]