Drug maker Alpine Immune Sciences (NASDAQ:ALPN) got a 4.9billionbuyoutofferfromVertexPharmaceuticals(NASDAQ:VRTX)aftergettinggoodnewsonanewdrug.Povetacicept,anautoimmunedrug,wonasuccessfulPhase2reviewfromtheFoodandDrugAdministration(FDA)fortreatingararekidneydiseaseandwillgointoPhase3trial.Alpinestockrose2164.18 per share. More Than Kidneys?While Povetacicept is only being tested for a rare kidney ...