Ciena Corp (NYSE:CIEN) provides network hardware, software, and services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company’s Networking Platforms segment offers hardware networking products and solutions that optimized for the convergence of coherent optical transport, optical transport network switching, and packet switching. 

Ciena has a trailing twelve months Price To Earnings Ratio (PE) ratio of 20.8, which at this level actually compares pretty favorably with the market at large, as the PE for the S&P 500 stands at about 28.22.  Its PE compares favorably to the Computer and Technology sector’s trailing twelve months PE ratio, which stands at 36.45. Ciena has a Price/Sales Ratio (P/S) ratio of about 2.42. This is lower than the S&P 500 average, which comes in at 5.21 right now.  For these reasons, Ciena stock share is considered undervalue. Also, more analysts are bullish about Ciena.