Over the years, people from around the world have turned to Morningstar for strong, independent, and reliable advice. The Five Rules for Successful Stock Investing provides the kind of savvy financial guidance only a company like Morningstar could offer. Based on the philosophy that "investing should be fun, but not a game," this comprehensive guide will put even the most cautious investors back on the right track by helping them pick the right stocks, find great companies, and understand the driving forces behind different industries.
All highly profitable firms attract competitors, and only firms that are able to keep competition at bay will earn above average profits for an extended period of time. An economic moat - or competitive advantage - allows a company to fend off competitors and earn sustainable, excess economic profits.
"Good, but really needs updating"