Leerink Swann downgraded Merck (NYSE: MRK) from Outperform to Market Perform.

The firm cited: "(1) reduced prospects with the ...

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Downgrades

Morgan Stanley Downgrades Merck (MRK) to UnderweightFebruary 4, 2013 7:47 AM Merck (MRK) Ends '12 on High Note Despite SINGULAIR Weakness; '13 EPS Guidance MutedFebruary 1, 2013 8:48 AM Merck & Co., Inc. (MRK) Tops Q4 EPS by 2c; Guides In-LineFebruary 1, 2013 7:01 AM