Pfizer Inc. has agreed to acquire the weight-loss drug startup Metsera Inc. in a $10 billion deal, following a fierce bidding war with rival Novo Nordisk A/S.Metsera announced late on Friday that Pfizer will pay up to$86.25 a share, including $65.60 a share in cash initially, plus potential additional payments of up to$20.65 a share for hitting certain milestones.While the deal hasn’t been closed officially, the announcement puts Pfizer in the position to win the bidding competition for the startup with N ...