As the week winds down, so does the number of big-name companies slated to report earnings. After a quiet Thursday on the Street, the schedule is considerably light on Friday, with pharmaceutical company


(MRK) - Get Merck & Co., Inc. (MRK) Report

, telecommunications giant



and mobile-phone maker


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as the major heavyweights set to report.

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Wall Street is expecting Merck to check in with earnings of 71 cents in the first quarter, which would be above the 63 cents earned in the year-ago period. A single analyst polled by

Thomson Financial/First Call

is predicting revenue of $10.9 billion in the quarter. Merck closed down $1, or 1.2%, to $78.30 on the

New York Stock Exchange


Fellow pharmaceutical company


(PFE) - Get Pfizer Inc. Report

beat Wall Street's expectations by 2 cents on Wednesday as it reported first-quarter profits of 33 cents a share, excluding certain items.

Check out our

complete list of today's earnings announcements.