A man views screens showing stock indexes behind a Christmas tree at the Athens Stock Exchange, Friday, Dec. 9 , 2011. European leaders are examining tougher budget enforcement rules to try to stem a ... more 
A man views screens showing stock indexes behind a Christmas tree at the Athens Stock Exchange, Friday, Dec. 9 , 2011. European leaders are examining tougher budget enforcement rules to try to stem a eurozone debt crisis that is threatening the euro. The values of shares on the Greek bourse has fallen sharply throughout the year amid a deepening recession. (AP Photo/Petros Giannakouris) less 
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Associated Press | Photo By Petros Giannakouris
Fri, Dec 9, 2011 7:46 AM EST