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 …

2 days ago · Ciena (CIEN) sees surging AI data-center optical demand, $5B backlog, and FY26 revenue/margin expansion.

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

Jan 5, 2026 · Ciena Corporation NYSE: CIEN is a global supplier of telecommunications networking equipment, software and services. The company develops high-capacity optical …

Jan 7, 2026 · Ciena (CIEN) is in focus after fiscal fourth quarter results came in well ahead of expectations, helped by strong demand from webscale and hyperscale customers and growing …

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

6 days ago · Complete Ciena Corp. stock information by Barron's. View real-time CIEN stock price and news, along with industry-best analysis.

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 …

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