Ciena Corporation CIEN shares are pulling back in premarket trading Wednesday after the networking equipment maker rallied 5.91% to close sharply higher in Tuesday’s session. On Tuesday, investors ...

Ciena this week said it is spending $636 million to buy up broadband-access equipment maker Catena Networks and carrier-grade optical Ethernet vendor Internet Photonics. The Catena deal will bring ...

Ciena (CIEN) stock surges 450% in 12 months to 25-year highs as AI demand drives networking growth. Q3 earnings beat, ...

Ciena's stock soared nearly 22% after the company announced mixed earnings and strong three-year revenue guidance. The order backlog increased to $2.1 billion, underscoring the strong market demand ...

Ciena Corp. (NYSE:CIEN) reported a fiscal first-quarter 2025 revenue growth of 3.3% year-on-year to $1.07 billion, beating the analyst consensus estimate of $1.05 billion. The American ...

Ciena (NYSE:CIEN) is up 8.9% in Tuesday’s session, climbing from $318.54 to $346.89 intraday. Lumentum (NASDAQ:LITE) and ...

BofA downgraded Ciena's (CIEN) stock to Neutral from Buy while highlighting the 2026 outlook for Networking and Telecom Equipment stocks. The firm said that beyond today’s general purpose AI models, ...

Ciena beats Q1 forecasts with $1.04B revenue; EPS at $0.66, stock dips. Networking revenue down 5.6%; services up 12.6%. Adjusted margins grow. Memorial Day Special: Access your full investing command ...

HANOVER, Md.--(BUSINESS WIRE)--Cirion Technologies, a leading digital infrastructure and technology provider, is planning to deploy a suite of Ciena solutions, including WaveLogic 6 Extreme (WL6e) – ...

Madison Investments, an investment advisor, released its fourth-quarter 2025 investor letter for “Madison Small Cap Fund”. A ...

Arista Networks, Inc. ANET and Ciena Corporation CIEN are two of the leading players in the global networking infrastructure industry. Arista offers one of the broadest product lines of data center ...