Why Novo Nordisk Stock Fell While Eli Lilly and Viking Therapeutics Bumped Higher Today

The prospects of the latter two companies looked better following the European pharmaceutical's new clinical trial readout.In the pharmaceutical world, it's never good for a company to stumble in a hot therapeutic area, especially if it has some determined rivals competing in the same segment.That was the dynamic behind Wegovy and Ozempic developer Novo Nordisk's (NVO -5.46%) Friday stumble on the stock exchange --following its latest news from the lab -- and the gains enjoyed that day by up-and-coming Viki ...