Ciena Corp is trading 18.9% down at $503.23 after a sharp reversal in sentiment following its strong Q2 fiscal 2026 earnings beat and guidance hike.
- The company posted 40% revenue growth to $1.57 billion and adjusted EPS of $1.64, driven by surging demand in cloud and AI sectors.
- Despite the fundamentally positive news and raised outlook, investors appear to be locking in profits after the stock massively rerated ahead of the report.