Biogen (BIIB) Surges Amid Rumors of Acquisition by Samsung Posted byZacks Equity Research December 30, 2021 Leave a comment on Biogen (BIIB) Surges Amid Rumors of Acquisition by Samsung Biogen (BIIB) stock gains almost 10% on Dec 29 following speculations over its potential acquisition by the South-Korean conglomerate Samsung Group. However, both parties are yet to confirm.