Many experts say reducing mortgage principal can help troubled homeowners avoid foreclosure and stay in their homes. But the regulator who oversees two of the nation's largest mortgage holders, Fannie Mae and Freddie Mac, has rejected the idea. Justin Sullivan/Getty Images hide caption
Mobile devices are key to Facebook's growth potential. Can it deliver? Karen Bleier/AFP/Getty Images hide caption
Zooey Deschanel appears in an iPhone 4S Siri commercial. Apple.com hide caption
The Spanish bank Bankia in Madrid has asked the government to inject $24 billion. The European Commission is proposing a "banking union" to help eurozone governments rescue banks. Dominique Faget/AFP/Getty Images hide caption
Traders work on the floor of the New York Stock Exchange during morning trading on Thursday. Spencer Platt/Getty Images hide caption
With the Kin One and Kin Two, Microsoft was looking to break into the youth market. Courtesy of Microsoft hide caption