In the current market session, Pfizer Inc. (NYSE:PFE) share price is at $26.95, after a 0.96% drop. Over the past month, the stock spiked by 9.82%, but over the past year, it actually decreased by 5.70%. With good short-term performance like this, and questionable long-term performance, long-term shareholders might want to start looking into the company's price-to-earnings ratio.Comparing Pfizer P/E Against Its PeersThe P/E ratio is used by long-term shareholders to assess the company's market performance a ...