Merck 4Q Revenues: $12.3 billion (+2%) 4Q Earnings: $1.5 billion (loss of $531 million 4Q10) FY Revenues: $48.0 billion (+4%) FY Earnings: $6.3 billion (earnings were $982 million FY10) Comments: Pharmaceutical sales were $10.8 billion in the quarter (+3%) and $41.3 billion for the year (+5%). Singulair sales rose 8% to $1.5 billion in the quarter and $5.5 billion for the year (+10%). Januvia sales were up 42% in the quarter to $960 million and up 39% to $3.3 billion for the year. Janumet ...