Novo Nordisk’s (NVO) oral obesity pill, amycretin, showed faster weight loss than its blockbuster weekly injection, Wegovy (semaglutide), in a phase I study. Not only did NVO’s stock rise 4% in response to the positive news, shares of other drugmakers — Eli Lilly (LLY) , Viking Therapeutics (VKTX) and Structure Therapeutics (GPCR) — whose oral pills for obesity are in mid-to-late-stage development also rose on Wednesday.   Drugmakers are competing fiercely to enter the obesity market due to the huge untappe ...