Why Ciena (CIEN) Is Up 9.1% After Surging AI-Driven Backlog Signals Robust Network Demand – And What’s Next – Yahoo Finance / Artificial intelligence (AI) / By hi@aiweekly.co.in Why Ciena (CIEN) Is Up 9.1% After Surging AI-Driven Backlog Signals Robust Network Demand – And What’s Next Yahoo Finance