Mirror, Mirror on the Wall St.: Is Copycat Investing Smart?

Mirror investing lets you link your investment account to someone else's: When they make a trade, you automatically trade too. It guarantees that the person guiding you has skin in the game, but is it really wise to put your investment decisions in the hands of a stranger?

Startup Covestor Combines Social Networking With Investing

Covestor lets its users easily mirror the portfolios of other successful investors. On the other hand, investors who want to showcase the stock-picking work they've done and build up their portfolios can use the technology to earn a following -- and get compensated in the process. Covestor's Simon Veingard explains.