French President Francois Hollande (L) and Greek Prime Minister Alexis Tsipras (R) walk outside the Stavros Niarhos Foundation Cultural Centre, on the sidelines of the EU MED Mediterranean Economies Summit in Athens on September 9, 2016. Southern EU leaders on September 9, 2016 sought to close ranks on migration, extremism and austerity with the bloc's future on the line, and ahead of a showdown with hardliners next week. Bringing together the members worst hit by the EU's twin recession and refugee crises, the mini-summit will focus on "protecting borders, fostering growth, fighting against immigration... and acting together against terrorism," French President Francois Hollande said at the meeting's start. / AFP PHOTO / LOUISA GOULIAMAKILOUISA GOULIAMAKI/AFP/Getty Images

(L-R) Portuguese Prime Minister Antonio Costa, Italian Prime Minister Matteo Renzi, Maltese Prime Minister Joseph Muscat, French President Francois Hollande and Greek Prime Minister Alexis Tsipras walk outside the Stavros Niarhos Foundation Cultural Centre, on the sidelines of the EU MED Mediterranean Economies Summit in Athens on September 9, 2016. Southern EU leaders on September 9, 2016 sought to close ranks on migration, extremism and austerity with the bloc's future on the line, and ahead of a showdown with hardliners next week. Bringing together the members worst hit by the EU's twin recession and refugee crises, the mini-summit will focus on "protecting borders, fostering growth, fighting against immigration... and acting together against terrorism," French President Francois Hollande said at the meeting's start. / AFP PHOTO / LOUISA GOULIAMAKILOUISA GOULIAMAKI/AFP/Getty Images

French President Francois Hollande (C) and Greek Prime Minister Alexis Tsipras (R) walk outside the Stavros Niarhos Foundation Cultural Centre, on the sidelines of the EU MED Mediterranean Economies Summit in Athens on September 9, 2016. Southern EU leaders on September 9, 2016 sought to close ranks on migration, extremism and austerity with the bloc's future on the line, and ahead of a showdown with hardliners next week. Bringing together the members worst hit by the EU's twin recession and refugee crises, the mini-summit will focus on "protecting borders, fostering growth, fighting against immigration... and acting together against terrorism," French President Francois Hollande said at the meeting's start. / AFP PHOTO / LOUISA GOULIAMAKILOUISA GOULIAMAKI/AFP/Getty Images

(L-R) Italian Prime Minister Matteo Renzi, Maltese Prime Minister Joseph Muscat, French President Francois Hollande and Greek Prime Minister Alexis Tsipras walk outside the Stavros Niarhos Foundation Cultural Centre, on the sidelines of the EU MED Mediterranean Economies Summit in Athens on September 9, 2016. Southern EU leaders on September 9, 2016 sought to close ranks on migration, extremism and austerity with the bloc's future on the line, and ahead of a showdown with hardliners next week. Bringing together the members worst hit by the EU's twin recession and refugee crises, the mini-summit will focus on "protecting borders, fostering growth, fighting against immigration... and acting together against terrorism," French President Francois Hollande said at the meeting's start. / AFP PHOTO / LOUISA GOULIAMAKILOUISA GOULIAMAKI/AFP/Getty Images

Chief Executive of Stifel Financial, Ron Kruszewski, speaks during an interview with Reuters in London May 12, 2014. REUTERS/Luke MacGregor

France's former prime minister and French right-wing Les Republicains (LR) party's mayor of Bordeaux and candidate for the LR party primary Alain Juppe (R) and former French Economy Minister and candidate for the left-wing primary ahead of the 2017 presidential election Arnaud Montebourg (L) talk as they attend a meeting called "Assises du Produire en France" to promote the increased production of, and reliance on domestic produce in Reims, on September 9, 2016. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images

France's former prime minister and French right-wing Les Republicains (LR) party's mayor of Bordeaux and candidate for the LR party primary Alain Juppe (R) and former French Economy Minister and candidate for the left-wing primary ahead of the 2017 presidential election Arnaud Montebourg (L) look on as they attend a meeting called "Assises du Produire en France" to promote the increased production of, and reliance on domestic produce in Reims, on September 9, 2016. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images

France's former prime minister and French right-wing Les Republicains (LR) party's mayor of Bordeaux and candidate for the LR party primary Alain Juppe (R) and former French Economy Minister and candidate for the left-wing primary ahead of the 2017 presidential election Arnaud Montebourg (L) look on as they attend a meeting called "Assises du Produire en France" to promote the increased production of, and reliance on domestic produce in Reims, on September 9, 2016. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images