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

3 days ago · CIEN | Complete Ciena Corp. stock news by MarketWatch. View real-time stock prices and stock quotes for a full financial overview.

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Apr 10, 2025 · A high-level overview of Ciena Corporation (CIEN) stock. Stay up to date on the latest stock price, chart, news, analysis, fundamentals, trading and investment tools.

Get a real-time Ciena Corporation (CIEN) stock price with an overview of financials, statistics, forecasts, charts and more.