Ciena returns to S&P 500 after getting booted 17 years ago [CNBC]
Ciena Corporation (CIEN)
Last ciena corporation earnings: 3/5 07:00 am
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Source: CNBC
Demand for hardware that can support generative artificial intelligence workloads has boosted Ciena's revenue growth. The company was a dot-com darling, but then collapsed in the bust and was removed from the S&P 500 in 2009. In this article Gary Smith, chief executive officer and president of Ciena Corp., speaks during a Bloomberg Television interview in New York on June 14, 2013. Scott Eells | Bloomberg | Getty Images Networking hardware maker Ciena will join the S&P 500, returning to the benchmark after getting booted 17 years ago. The stock rose in extended trading. Ciena is replacing human resources software company Dayforce, S&P Dow Jones Indices said in a statement on Wednesday. Private equity firm Thoma Bravo acquired Dayforce for $12.3 billion. Ciena sells a variety of products for high-speed fiber optical networks. Nearly 18% of revenue in the 2025 fiscal year came from an unnamed cloud provider, and about 11% came from AT&T , according to the company's annual
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CIEN
News
- Ciena Announces Reporting Date and Web Broadcast for Fiscal First Quarter 2026 ResultsBusiness Wire
- Should State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) Be on Your Investing Radar? [Yahoo! Finance]Yahoo! Finance
- Ciena Set to Join S&P 500; Arrowhead Pharmaceuticals to Join S&P MidCap 400; ADT and OneSpaWorld Holdings to Join S&P SmallCap 600 [Yahoo! Finance]Yahoo! Finance
- Ciena: Riding The Second Wave Of AI Infrastructure Growth [Seeking Alpha]Seeking Alpha
- Telekom Srbija and Mtel Deploy Ciena Optical Technology to Improve Cross-Border ConnectivityBusiness Wire
CIEN
Earnings
- 12/11/25 - Beat
CIEN
Sec Filings
- 2/4/26 - Form 4
- 1/21/26 - Form SCHEDULE
- 1/20/26 - Form 4
- CIEN's page on the SEC website