Drug giant Pfizer (PFE) is trading quite cheap after its stock took a beating last year once the pandemic ended. The stock is trading at a discount to the industry and is also trading below its 5-year mean. Going by the price/earnings ratio, the company's shares are currently trading at 10.25 forward earnings, lower than 19.08 for the industry and the stock’s 5-year mean of 11.37.Image Source: Zacks Investment ResearchIf you consider the price/sales ratio, its forward sales multiple of 2.63 is lower than it ...