If you're making your investment decisions without the help of a professional, or if you want more information on your investments, doing research (or "due diligence") can help you decide if certain products are right for you. Learn more about performing due diligence for stocks or bonds .Start learning about investment products , including how they're bought and sold, and how to evaluate whether a particular product is right for you. You might want to consider talking with an investment professional , who ...