Pfizer coughs up $11.6bn for migraine treatment maker Biohaven

Covid vaccine maker Pfizer has said it will cough up $11.6bn to acquire pharma firm Biohaven. Pfizer is snapping up the Connecticut based company in a bid to capitalise on a new class of migraine pill.  Biohaven’s migraine drugs could surpass $6bn in annual sales, Pfizer said on Tuesday.  Biohaven common shareholders are to receive [...]