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

Get the latest Ciena Corp (CIEN) real-time quote, historical performance, charts, and other financial information to help you make more informed trading and investment decisions.

4 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 capacity, service...

3 days ago · View Ciena Corporation CIEN investment & stock information. Get the latest Ciena Corporation CIEN detailed stock quotes, stock data, Real-Time ECN, charts, stats and more.

5 days ago · See the latest Ciena Corp stock price (CIEN:XNYS), related news, valuation, dividends and more to help you make your investing decisions.

Get Ciena Corp (CIEN:NYSE) real-time stock quotes, news, price and financial information from CNBC.

Jan 9, 2026 · A detailed overview of Ciena Corporation (CIEN) stock, including real-time price, chart, key statistics, news, and more.

Real time Ciena (CIEN) stock price quote, stock graph, news & analysis.

Dec 26, 2025 · December S&P 500 E-Mini futures (ESZ25) are up +0.48%, and December Nasdaq 100 E-Mini futures (NQZ25) are up +0.49% this morning, signaling a partial rebound from Friday’s tech …

6 days ago · CIEN, Ciena - Stock quote performance, technical chart analysis, SmartSelect Ratings, Group Leaders and the latest company headlines