Alkermes raises offer for Avadel after Lundbeck bid
Nov 19 (Reuters) - Alkermes ALKS.O said on Wednesday it has sweetened its offer to buy Avadel Pharmaceuticals AVDL.O, beating a rival bid from Denmark's Lundbeck and valuing the sleep disorder drugmaker at up to $2.37 billion. (Reporting by Kamal Choudhury in Bengaluru; Editing by Krishna Chandra Eluri) ((Kamal.Choudhury@thomsonreuters.com;))