# Why This AI Bottleneck Means Ciena Stock Has 58% Upside - Barron's *Источник: Barron's* *Дата: 2026-09-21* *Язык: en* Why This AI Bottleneck Means Ciena Stock Has 58% Upside  Barron's [Оригинал](https://www.barrons.com/articles/ciena-stock-price-upgrade-ai-154d10aa)