An earlier version of this story incorrectly stated that Patel was Jim O'Neill's replacement. O'Neill was in fact chairman of Goldman Sachs Asset Management, while Patel is the head of international.
This story was updated to reflect that Activision Blizzard's upcoming Call of Duty: Ghosts game will feature some content that will be exclusive to the new Xbox but that the entire game will not be exclusive to the new system.
The story was updated to reflect that Target missed earnings forecasts and that it earned 82 cents per share, including the effects from opening Canadian stores but excluding losses related to the early retirement of debt and gains from the sale of its credit card business.
An earlier version of this article mischaracterized the nature of IRS actions against Willie Nelson and Nicolas Cage. The IRS seized assets from Willie Nelson in a civil proceeding for failure to pay required taxes. Also in a civil proceeding, the IRS filed a lien against Nicolas Cage for failure to pay required taxes. The lien was removed after payment. Neither Nelson nor Cage was criminally prosecuted. CNBC regrets the errors.
An earlier version of this story misspelled Buffett's name as Buffet.
This story has been updated to reflect Twitter's current valuation is an estimated $10 billion.