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.
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 optical connectivity. [9]
Ciena returns to S&P 500 after getting booted 17 years ago - CNBC
6 days ago · Ciena, which sells optical networking equipment, will replace human resources software company Dayforce in the S&P 500.
Ciena (CIEN) Soars 7.3%: Is Further Upside Left in the Stock?
1 day ago · Ciena (CIEN) was a big mover last session on higher-than-average trading volume. The latest trend in earnings estimate revisions might not help the stock continue moving higher in the …
Home - Ciena
By harnessing the power of our networking systems, components, automation software and services, Ciena revolutionizes data transmission and network management. With unparalleled expertise and …
Ciena Corporation (CIEN): The Optical Nerve Center of the AI ...
1 day ago · Ciena has emerged as the dominant provider of these high-capacity optical fiber networks, positioning the company at the center of the most significant infrastructure build-out of the decade.
CIEN Stock Price Quote | Morningstar
Feb 4, 2026 · See the latest Ciena Corp stock price (CIEN:XNYS), related news, valuation, dividends and more to help you make your investing decisions.