FILE- In this Monday, May 7, 2012, file photo, businessmen walk past the securities firm's electronic stock board in Tokyo. The International Monetary Fund said Monday, July 16, 2012, that it expects the world economy to expand 3.5 percent this year, according to a quarterly update to its World Economic Outlook. That's down slightly from its previous estimate of 3.6 percent in April. (AP Photo/Shizuo Kambayashi, File)