Biogen Idec 4Q/FY 4Q Revenues: $1.4 billion (+7%) 4Q Earnings: $292 million (-3%) FY Revenues: $5.5 billion (+9%) FY Earnings: $1.4 billion (+9%) Comments: Tysabri sales rose 5% for the year to $1.1 billion, while Avoenx revenues rose 8% to $2.9 billion in that span. For 4Q12, Tysabri was up 10% to $295 million and Avonex sales were up7% to $753 million. Revenues from other products rose 67% for the year. R&D expenses rose slightly in 4Q to $345 million, and were $1.3 billion for the ye...