This year, actors like Kevin Costner, moguls like George Lucas and prognosticators like Nate Silver saw their stock climb on the strength of risky bets that paid off. Others were less fortunate. From Rich Ross, who was forced out of Disney, to Simon Cowell, who overhauled the "X-Factor" -- but not its ratings -- some former stars crashed to earth. Here are 10 people, companies and trends that will meet the new year riding high -- and 10 that will crawl into January in a much-diminished state.
Tim Molloy contributed to this report