Ciena is the global leader in high-speed connectivity. Our networking systems, components, automation software, and services revolutionize data transmission and network management.

Ciena Corporation is an American optical networking systems and software company [4][5][6] based in Hanover, Maryland. [7][8] The company has been described as a vital player in …

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December 11, 2025 - Ciena® Corporation today announced financial results for its fiscal fourth quarter and year ended November 1, 2025.

Ciena stock jumped on fiscal Q4 earnings that topped estimates while fiscal 2026 revenue guidance came in well above views.

Dec 11, 2025 · Ciena Corp (NYSE: CIEN) stock gained on strong fiscal Q4 results, with revenue up 20.3% and adjusted EPS beating estimates.

2 days ago · Ciena Corporation reported past fourth-quarter 2025 revenue of US$1.35 billion, up from US$1.12 billion a year earlier, while quarterly net income fell to US$19.49 million; for the …