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Ciena: Rating Downgrade On Expensive Valuation [Seeking Alpha]

Ciena Corporation  (CIEN) 
Last ciena corporation earnings: 3/5 07:00 am Check Earnings Report
US:NASDAQ Investor Relations: ciena2017ir.q4web.com/financials/default.aspx
PDF CIEN's Q4 revenue grew ~20% y/y to $1.35B, with strong margin expansion and EPS beat, but gross margins are expected to stabilize around 43%. Rapid commercialization [Read more]