Argentine President Mauricio Macri speaks during the last session of the Argentina Business and Investment Forum in Buenos Aires, Argentina, on September 15, 2016. / AFP PHOTO / EITAN ABRAMOVICHEITAN ABRAMOVICH/AFP/Getty Images

Argentine President Mauricio Macri gestures at the end of the last session of the Argentina Business and Investment Forum in Buenos Aires, Argentina, on September 15, 2016. / AFP PHOTO / EITAN ABRAMOVICHEITAN ABRAMOVICH/AFP/Getty Images

Staff stand in a meeting room at Lehman Brothers offices in the financial district of Canary Wharf in London, September 11, 2008. REUTERS/Kevin Coombs

Ray Dalio, Chairman and Chief Investment Officer, Bridgewater Associates attends the session 'Where Is the Chinese Economy Heading?' of the annual meeting of the World Economic Forum (WEF) in Davos, Switzerland January 21, 2016. REUTERS/Ruben Sprich

A model presents a creation by French designer Christian Lacroix during fashion show as part of the Positive Economy Forum in Le Havre, northwestern France on September 15, 2016. Clothes from this show come from the collection system of used or secondhand clothing. / AFP PHOTO / CHARLY TRIBALLEAUCHARLY TRIBALLEAU/AFP/Getty Images

A model presents a creation by French designer Christian Lacroix next to mayor of Le Havre Edouard Philippe (R) and French economist Jacques Attali (2nd R) during fashion show as part of the Positive Economy Forum in Le Havre, northwestern France on September 15, 2016. Clothes from this show come from the collection system of used or secondhand clothing. / AFP PHOTO / CHARLY TRIBALLEAUCHARLY TRIBALLEAU/AFP/Getty Images

A model presents a creation by French designer Christian Lacroix next to French economist Jacques Attali (R) during fashion show as part of the Positive Economy Forum in Le Havre, northwestern France on September 15, 2016. Clothes from this show come from the collection system of used or secondhand clothing. / AFP PHOTO / CHARLY TRIBALLEAUCHARLY TRIBALLEAU/AFP/Getty Images

A model presents a creation by French designer Christian Lacroix next to mayor of Le Havre Edouard Philippe (R) and French economist Jacques Attali (2nd R) during fashion show as part of the Positive Economy Forum in Le Havre, northwestern France on September 15, 2016. Clothes from this show come from the collection system of used or secondhand clothing. / AFP PHOTO / CHARLY TRIBALLEAUCHARLY TRIBALLEAU/AFP/Getty Images