French President Francois Hollande (2nd R) poses during a visit at the Heart Institute in Ho Chi Minh City on September 7, 2016. Hollande is in France's former colony Vietnam to meet political and business leaders in a bid to boost ties with one of southeast Asia's fastest growing economies. / AFP PHOTO / STEPHANE DE SAKUTINSTEPHANE DE SAKUTIN/AFP/Getty Images

French President Francois Hollande (C) poses during a visit at the Heart Institute in Ho Chi Minh City on September 7, 2016. Hollande is in France's former colony Vietnam to meet political and business leaders in a bid to boost ties with one of southeast Asia's fastest growing economies. / AFP PHOTO / STEPHANE DE SAKUTINSTEPHANE DE SAKUTIN/AFP/Getty Images

French President Francois Hollande (C) poses during a visit at the Heart Institute in Ho Chi Minh City on September 7, 2016. Hollande is in France's former colony Vietnam to meet political and business leaders in a bid to boost ties with one of southeast Asia's fastest growing economies. / AFP PHOTO / STEPHANE DE SAKUTINSTEPHANE DE SAKUTIN/AFP/Getty Images

DURHAM, NC - SEPTEMBER 6: Former U.S. President Bill Clinton speaks at the Community Family Life & Recreation Center at Lyon Park on September 6, 2016 in Durham, North Carolina. Clinton spoke on wife, Democratic presidential nominee Hillary Clinton's plan for the economy. (Photo by Sara D. Davis/Getty Images) ***BESTPIX***

An elderly man walks along the seafront near the Sydney Opera House on September 7, 2016. Australia's economy grew by 0.5 percent in the June quarter with an upswing in government spending offsetting a fall in net exports as the nation marked 25 years of unbroken economic expansion. / AFP PHOTO / WILLIAM WESTWILLIAM WEST/AFP/Getty Images

A ferry passes in front of the Sydney Opera House on September 7, 2016. Australia's economy grew by 0.5 percent in the June quarter with an upswing in government spending offsetting a fall in net exports as the nation marked 25 years of unbroken economic expansion. / AFP PHOTO / WILLIAM WESTWILLIAM WEST/AFP/Getty Images

Tourist walk along the seafront near the Sydney Opera House on September 7, 2016 Australia's economy grew by 0.5 percent in the June quarter with an upswing in government spending offsetting a fall in net exports as the nation marked 25 years of unbroken economic expansion. / AFP PHOTO / WILLIAM WESTWILLIAM WEST/AFP/Getty Images

This picture taken on September 5, 2016 shows employees working inside the French IT company Linkbynet in Ho Chi Minh City. A decade ago app technology would likely have been developed in California's Silicon Valley, but today those apps are being churned out by Vietnam's startup sector -- an industry driven by local techies trained overseas but returning home to prowl for opportunities. / AFP PHOTO / STR / TO GO WITH Vietnam-technology-economy-startups,FOCUS by Hervé ASQUIN, with Jenny VAUGHAN in Hanoi STR/AFP/Getty Images