Looking into the current session, Amgen Inc. (NASDAQ:AMGN) shares are trading at $299.82, after a 0.82% increase. Moreover, over the past month, the stock went up by 5.71%, but in the past year, fell by 5.55%. Shareholders might be interested in knowing whether the stock is undervalued, even if the company is performing up to par in the current session. Evaluating Amgen P/E in Comparison to Its PeersThe P/E ratio measures the current share price to the company's EPS. It is used by long-term investors to ana ...