Merck 4Q Revenues: $6.0 billion (-3%) 4Q Earnings: $1.6 billion (loss of $1.6 billion in 4Q07) FY Revenues: $23.9 billion (-1%) FY Earnings: $7.8 billion (earnings were $3.3 billion FY07) Comments: Singulair sales were $1.1 billion in the quarter (-3%) and $4.3 billion for the year (+2%). Cozaar and Hyzaar sales were $881 million in the quarter (-1%) and $3.6 billion for the year (+6%). Fosamax and Fosamax Plus D sales were $318 million in the quarter (-60%) and $1.6 billion for t...