What Would It Take For Amgen Stock To Move Higher?

Amgen (AMGN) stock has returned 44% over the past twelve months, easily outpacing the 17.1% gain for the S&P 500. Investors looking at that rally might question what catalysts remain to push shares higher. One candidate is an experimental therapy that is not yet on the market, and executives say its development is progressing rapidly. So what is that drug, and how far along is it.