Is CIEN a good stock to buy? We came across a bullish thesis on Ciena Corporation on r/AIPortfolios by manojs. In this article, we will  summarize the bulls’ thesis on CIEN. Ciena Corporation's share was trading at $383.89 as of March 20th. CIEN’s trailing and forward P/E were 244.52 and 84.75 respectively according to Yahoo Finance. Is CIEN a good stock to buy? Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe  ...