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FRANKFURT AM MAIN, GERMANY - APRIL 09: A huge euro logo stands in front of the headquarters of the European Central Bank (ECB) on April 9, 2009 in Frankfurt am Main, Germany. The city of Frankfurt, seat of the European Central Bank (ECB), the Frankfurt stock exchange and several large banks, is the financial centre of Germany. (Photo by Ralph Orlowski/Getty Images)

FRANKFURT AM MAIN, GERMANY - APRIL 09:  A huge euro logo stands in front of the headquarters of the European Central Bank (ECB) on April 9, 2009 in Frankfurt am Main, Germany. The city of Frankfurt, seat of the European Central Bank (ECB), the Frankfurt stock exchange and several large banks, is the financial centre of Germany.  (Photo by Ralph Orlowski/Getty Images)