Will Novo Nordisk Overtake Eli Lilly as the Most Valuable Healthcare Stock?

Novo Nordisk (NVO -1.14%) and Eli Lilly (LLY 1.33%) are the top two healthcare stocks in the world based on market cap. Their diabetes and weight loss medications are a big reason these have been among the best healthcare investments to own over the past few years. Today, Eli Lilly is the larger of the two companies, with a market cap of more than $700 billion. Novo Nordisk, however, isn't too far behind, sporting a valuation about $600 billion. And there are some recent catalysts that suggest that gap coul ...