CORRECTED-UPDATE 1-Alexion to buy Portola Pharmaceuticals in $1.41 bln deal
May 05, 2020 at 08:05 AM EDT
Drugmaker Alexion Pharmaceuticals Inc on Tuesday agreed to buy Portola Pharmaceuticals Inc in a deal that values its smaller rival at $1.41 billion to gain access to a treatment for reversing the effects of blood thinners.