This story has been updated to more precisely include the total number of Comcast Internet subscriber additions.
An earlier version of the story contained incorrect information about what areas of entertainment will be used in the new GDP figures.
An earlier version of this article misstated the growth rate for Google searches for overall shorts.
This story has been updated to reflect that John Taylor is an economist at Stanford University.
An earlier version misstated how much sea levels could rise if the Greenland ice sheet melts. The correct amount is 7 meters.
This article has been updated to provide the professional name of the Cam4 marketing director, Jas Kase.
This article has been updated to reflect that euro zone composite PMI rose above 50.0 for the first time since January 2012.
CNBC.com has withdrawn a story titled "QE wind down is 'endgame' for gold, warns Roubini analyst" as the embargo on the story hasn't yet expired.
This story has been updated to reflect that GM and Chrysler received a bailout from the U.S. government in 2008.
An earlier version of this story incorrectly stated the yield on 10-year Spanish government bonds. The yield on these bonds was actually 4.70 percent on Tuesday afternoon.