Novo Nordisk launches bidding war with Pfizer for US obesity biotech Metsera
Pedersen, Louise Rasmussen and Maggie Fick COPENHAGEN (Reuters) -Denmark's Novo Nordisk launched a rival bid for U.S. obesity biotech firm Metsera on Thursday, hijacking an offer from Pfizer as the drugmakers jostled for advantage in the highly lucrative weight-loss drug market.