Ciena Corp (NASDAQ:CIEN) will unveil its latest earnings on Thursday, December 8, 2011. The average estimate of analysts is for net loss of 5 cents per share, a narrower loss from the year earlier quarter net loss of 22 cents. The average estimate is the same as three months ago. Between one and three months ago, the average estimate was unchanged. It also has not changed during the last month.

The company topped estimates last quarter after missing forecasts the quarter prior. In the third quarter, it reported profit of 8 cents per share against a mean estimate of a loss of 21 cents per share. In the second quarter, it missed forecasts by 11 cents. Analysts are projecting a rise of 7.8% in revenue from the year-earlier quarter to $450.3 million.

Competitors to Watch: Tellabs, Inc. (NASDAQ:TLAB), Alcatel-Lucent (NYSE:ALU), Cisco Systems, Inc. (NASDAQ:CSCO), ADTRAN, Inc. (NASDAQ:ADTN), Sycamore Networks, Inc. (NASDAQ:SCMR), Telefonaktiebolaget LM Ericsson (NASDAQ:ERIC), Orckit Communications Ltd (NASDAQ:ORCT), Juniper Networks, Inc. (NYSE:JNPR), Infinera Corp. (NASDAQ:INFN), and JDS Uniphase Corporation (NASDAQ:JDSU).

Comtech Telecomm. Corp. (NASDAQ:CMTL) will unveil its latest earnings on Thursday, December 8, 2011. The average estimate of analysts is for profit of 30 cents per share, a decline of 44.4% from the company’s actual earnings for the same quarter a year ago. During the past three months, the average estimate has moved up from 22 cents. Between one and three months ago, the average estimate moved up. It has been unchanged at 30 cents during the last month. For the year, analysts are projecting net income of $1.24 per share, a decline of 36.7% from last year.

The company’s quarterly results have come in above estimates for the last three quarters. Last quarter, the company booked profit of 42 cents per share versus a mean estimate of net income of 36 cents per share. On average, analysts predict $93.5 million in revenue this quarter, a decline of 47.5% from the year ago quarter. Analysts are forecasting total revenue of $406.3 million for the year, a decline of 33.7% from last year’s revenue of $612.4 million.

Competitors to Watch: ViaSat, Inc. (NASDAQ:VSAT), Globecomm Systems, Inc. (NASDAQ:GCOM), EMS Technologies, Inc. (NASDAQ:ELMG), Harris Corporation (NYSE:HRS), General Dynamics Corp. (NYSE:GD), CalAmp Corp. (NASDAQ:CAMP), PHAZAR CORP. (NASDAQ:ANTP), Motorola Solutions Inc (NYSE:MSI), KVH Industries, Inc. (NASDAQ:KVHI), and Telefonaktiebolaget LM Ericsson (NASDAQ:ERIC).

Get Your FREE Special Report: 4 Things You Must Know About the US Economy Now!