A man talks on the phone as he walks in Buenos Aires' financial district, in this picture taken July 24, 2014. Argentina looks set to default on its debt for the second time in 12 years next Thursday as negotiations with "holdout" investors seemingly go nowhere and neither side shows signs of blinking first, though a last minute deal can't be discounted. Picture taken July 24, 2014. To match story ARGENTINA-DEBT/ REUTERS/Marcos Brindicci (ARGENTINA - Tags: SOCIETY BUSINESS)