Earlier this year Nicholas Kaiser sold shares of Amazon.com for a handsome profit. But his decision wasn’t based on how much money he could make; instead it was because of a small change in the company’s business: the online U.S. retailer ...

Meanwhile, as financial advisers increasingly depart major brokerage firms to set up their own shops, investors are worried about the advisers' trustworthiness and investment performance, according to a survey from Investor's Business Daily.