The world of pharmacenutical stocks has a lot to offer investors. With their resilience in the face of economic issues and frequently in the face of market fluctuations as well, pharma stocks can serve as an anchor for your portfolio.But it's a tricky category to invest in if you aren't sure what to look for, or how to judge whether a given stock is worthy of your money. Let's learn about three things that you should check on before taking the plunge with any pharma investment.1. Capital allocation plansPha ...