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Ciena (NYSE:CIEN) Shares Down 10.4% Following Insider Selling
On October 14, 2026, Ciena Corporation (NYSE: CIEN) saw its shares decline sharply by 10.19%, closing at $359.60 after a $40.80 drop. This marks the third strai
Find the latest Ciena Corporation (CIEN) stock quote, history, news and other vital information to help you with your stock trading and investing.