Investors should take Wall Street's view of a particular sector or stock with a grain of salt, as there are typically conflicts of interest behind these views. Think about it: if an analyst working for an investment bank decides that a company's future is bearish, that analyst could risk losing his or her job over a particular stock's rating. Still, if that company is a significant client of another of the bank's branches, that analyst could risk losing his or her job over a particular stock's rating.Howeve ...