Ciena Corporation Stock Plunges 13% Despite Record Q1 Revenue and Raised Outlook on AI Demand
- Posted on March 6, 2026
- By International Business Times
- 5 Views
Ciena Corporation Stock Plunges 13% Despite Record Q1 Revenue and Raised Outlook on AI Demand

Ciena Corporation (NYSE: CIEN), a leading provider of optical networking equipment, saw its shares tumble 12.88% Thursday, March 5, 2026, closing at $299.30 after a volatile session tied to its fiscal first-quarter 2026 earnings report.