Ciena News - October 30, 2026

🔴 Ciena is trading 9.6% down today as AI infrastructure spending concerns weigh on tech

Ciena is trading at $316.72, down 9.58%, as technology shares sell off amid concerns that heavy AI infrastructure spending may not generate adequate...

🔴 Ciena is trading 5.6% down in pre-market as AI-return concerns weigh on tech stocks

Ciena is trading 5.57% down at $330.00 now, amid a broader technology selloff as investors reassess whether heavy AI infrastructure spending will generate...