Ciena Corp
Ciena’s Record Triple-Beat Crushed by 14% Sell-Off as AI Hype Hits Valuation Wall
The "sell the news" fever that has gripped AI-adjacent technology stocks claimed its latest victim on March 5, 2026. Ciena Corp (NYSE: CIEN), a leader in optical networking and the "plumbing" of the modern internet, saw its stock price plunge over 14% in heavy intraday trading.