No­vo Nordisk is try­ing to throw a wrench in Pfiz­er's plans to be­come a ma­jor play­er in the obe­si­ty drug mar­ket. The Dan­ish drug gi­ant wants to buy Met­sera, sub­mit­ting its pro­pos­al a month af­ter Pfiz­er dis­closed its am­bi­tions to ac­quire the pub­lic obe­si­ty biotech with mul­ti­ple long-act­ing in­jecta­bles and oral treat­ment can­di­dates in de­vel­op­ment...