Ciena is trading at $335.31, down 4.02%, amid broad technology weakness following disappointing Alphabet and Amazon results and concerns about AI spending.
- Ciena closed at $349.37 on October 29.
- The Nasdaq fell 2.32%, while the technology sector ETF was down 1.72% after hours.
- No company-specific announcement explaining Cienaβs after-hours decline was identified.