Amgen (AMGN) has been one of the most searched-for stocks on Zacks.com lately. So, you might want to look at some of the facts that could shape the stock's performance in the near term.Shares of this world's largest biotech drugmaker have returned -12.5% over the past month versus the Zacks S&P 500 composite's +2.9% change. The Zacks Medical - Biomedical and Genetics industry, to which Amgen belongs, has gained 1% over this period. Now the key question is: Where could the stock be headed in the near term?Wh ...