President and CEO of Airbus Fabrice Bregier (L) speaks with Chief Executive Officer of Solvay Jean-Pierre Clamadieu on the first day of the Medef's summer university in Jouy-en-Josas, near Paris, on August 30, 2016. MEDEF on August 30 opened its 18th Summer University that will be widely marked by the announced resignation of Economy Minister Emmanuel Macron . / AFP PHOTO / ERIC PIERMONTERIC PIERMONT/AFP/Getty Images

French employers association Medef head Pierre Gattaz gestures during a press conference on the first day of the Medef's summer university in Jouy-en-Josas, near Paris, on August 30, 2016. MEDEF on August 30 opened its 18th Summer University that will be widely marked by the announced resignation of Economy Minister Emmanuel Macron . / AFP PHOTO / ERIC PIERMONTERIC PIERMONT/AFP/Getty Images

People wait outside the Apple store in Covent Garden in London August 30, 2016. The European Commission's demand for Apple to pay Ireland some 13 billion euros in back taxes has put the country in the strange position of refusing the windfall for fear of scaring away valuable investment. Rather than welcoming the cash -- equivalent to around five percent of its gross domestic product -- the government has vowed to appeal the ruling, fearing an ever greatest cost to its economy and jobs. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

People wait outside the Apple store in Covent Garden in London August 30, 2016. The European Commission's demand for Apple to pay Ireland some 13 billion euros in back taxes has put the country in the strange position of refusing the windfall for fear of scaring away valuable investment. Rather than welcoming the cash -- equivalent to around five percent of its gross domestic product -- the government has vowed to appeal the ruling, fearing an ever greatest cost to its economy and jobs. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

People wait outside the Apple store in Covent Garden in London August 30, 2016. The European Commission's demand for Apple to pay Ireland some 13 billion euros in back taxes has put the country in the strange position of refusing the windfall for fear of scaring away valuable investment. Rather than welcoming the cash -- equivalent to around five percent of its gross domestic product -- the government has vowed to appeal the ruling, fearing an ever greatest cost to its economy and jobs. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

People wait outside the Apple store in Covent Garden in London August 30, 2016. The European Commission's demand for Apple to pay Ireland some 13 billion euros in back taxes has put the country in the strange position of refusing the windfall for fear of scaring away valuable investment. Rather than welcoming the cash -- equivalent to around five percent of its gross domestic product -- the government has vowed to appeal the ruling, fearing an ever greatest cost to its economy and jobs. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

French economy minister, Emmanuel Macron prepares to return by boat to the Economy Ministry after tendering his resignation in Paris on August 30, 2016. France's 38-year-old economy minister, Emmanuel Macron, will step down on August 30, aides said, fuelling speculation that he will bid for the presidency in next year's elections. "He told his cabinet... that he would leave the government after he tenders his resignation to the president this afternoon," one of his aides said. / AFP PHOTO / PATRICK KOVARIKPATRICK KOVARIK/AFP/Getty Images

French economy minister, Emmanuel Macron prepares to return by boat to the Economy Ministry after tendering his resignation in Paris on August 30, 2016. France's 38-year-old economy minister, Emmanuel Macron, will step down on August 30, aides said, fuelling speculation that he will bid for the presidency in next year's elections. "He told his cabinet... that he would leave the government after he tenders his resignation to the president this afternoon," one of his aides said. / AFP PHOTO / PATRICK KOVARIKPATRICK KOVARIK/AFP/Getty Images