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  1. Meet the fastest in the industry | Empowering evolution - Ciena

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

  2. Ciena - Wikipedia

    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 …

  3. Ciena Corporation (CIEN) - Yahoo Finance

    Find the latest Ciena Corporation (CIEN) stock quote, history, news and other vital information to help you with your stock trading and investing.

  4. Ciena - The Network Specialist - Network Solutions for Optical ...

    Evolving networks. A spectrum of solutions. Your choice From performance-optimized to smallest footprint, choose from our WaveLogic 5 designs.

  5. Ciena - LinkedIn

    Ciena (NYSE:CIEN) is the global leader in high-speed connectivity. We build the world’s most adaptive networks to support exponential growth in bandwidth demand.

  6. Careers | Ciena

    Ciena is the global leader in high-speed connectivity. We build adaptive networks to support exponential growth in bandwidth demand—empowering our customers, partners, and …

  7. CIEN | Ciena Corp. Stock Overview (U.S.: NYSE) | Barron's

    5 days ago · Ciena Corp. is a network technology company, which engages in the provision of hardware, software, and services to network operators, as well as enabling enhanced network …

  8. Could Ciena's (CIEN) Network Expansion Deals Signal …

    Nov 20, 2025 · Fidium recently announced it is deploying advanced optical technology from Ciena to deliver next-generation wavelength services up to 400G across its expanding DASH fiber …

  9. Ciena - A networking systems, services, and software company - Ciena

    Ciena is the global leader in high-speed connectivity. We build adaptive networks to support exponential growth in bandwidth demand—empowering our customers, partners, and …

  10. Ciena (NYSE:CIEN) Shares Up 10.1% - Time to Buy? - MarketBeat

    5 days ago · Ciena Corporation (NYSE:CIEN - Get Free Report)'s stock price rose 10.1% on Monday . The stock traded as high as $195.42 and last traded at $196.3450. Approximately …