Stifel maintained its Buy rating and $214 price target on Biogen (BIIB) after the company announced its BIIB080 Alzheimer's drug study missed the primary endpoint.
Shares trade at $204.53, near the 52-week high. Bond.az analysis suggests the stock remains undervalued with a fair value of $258.41.
Biogen is advancing the program, citing tau PET reductions and cognitive benefit. Stifel calls this the first true test of the tau hypothesis in Alzheimer's.












