Traders talk in front of a screen showing an index at Madrid's Bourse

 
Traders talk in front of a screen showing an index at Madrid
Traders talk in front of a screen showing an index at Madrid's Bourse February 14, 2012. European shares fell on Tuesday after rating agency Moody's put the United Kingdom's triple-A rating in jeopardy for the first time and warned it may cut France and Austria as well, while downgrading six euro zone nations including Spain and Italy. REUTERS/Sergio Perez