Merck (MRK) and Schering-Plough (SGP) postpone Q2 earnings to after the close. Surprisingly, a...

|About: Merck & Co Inc. (MRK)|By:, SA News Editor

Merck (MRK) and Schering-Plough (SGP) postpone Q2 earnings to after the close. Surprisingly, a study of whether their Vytorin cholesterol drug reduces heart-attack risk will be updated this afternoon.