FILE - In this November 21, 2011 file photo, a man walks past the stock exchange building in Milan, Italy. Italy's market watchdog on Monday, July 23, 2012 imposed a week-long ban on the short-selling of financial stocks as the Milan index plunged amid fears that if Spain needs a bailout, Italy could be next. The main stock index, the FTSE-MIB, closed 2.8 percent lower after being down by more than 5 percent in the morning. (AP Photo/Luca Bruno, file)