Here’s why Alexion Pharmaceuticals (ALXN) sky-rocketed in the pre-market session

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Alexion Pharmaceuticals stocks surged 33.09% to $161.1 in the pre-market session following a report that AstraZeneca and Alexion Pharmaceuticals (ALXN) have signed a formal deal about the purchase of Alexion by AstraZeneca. As demonstrated by American Depositary Receipts (ADRs), for each Alexion share, Alexion shareholders would earn $60 in cash and 2,1243 AstraZeneca American Depositary […]