The logo of French gas and power group Engie is seen on the company tower at La Defense business and financial district in Courbevoie near Paris, France, March 2, 2016. REUTERS/Jacky Naegelen

A woman holds up a picture of German Vice Chancellor, Economy and Energy Minister Sigmar Gabriel hiding his nudity with a maple leaf reading "CETA" during a demonstration against the massive transatlantic CETA trade deal on September 19, 2016 in Wolfsburg, central Germany, near the venue of a convention of the social democratic SPD party. Delegates of the SPD come together to hammer out their position concerning the Comprehensive Economic and Trade Agreement (CETA) between Canada and the European Union. CETA is due to be signed in October 2016. / AFP PHOTO / dpa / Julian Stratenschulte / Germany OUTJULIAN STRATENSCHULTE/AFP/Getty Images

WEST HOLLYWOOD, CA - SEPTEMBER 18: Head of Television Business and Distribution at Amazon, Conrad Riggs and guest attend Amazon's Emmy Celebration at Sunset Tower Hotel West Hollywood on September 18, 2016 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for Amazon Studios)

SPD party leader and German Vice Chancellor, Economy and Energy Minister and Sigmar Gabriel addresses the audience during the electoral evening in Berlin after a regional election on September 18, 2016 in Berlin. Both of the mainstream parties, CDU and SPD, which have taken turns governing Germany since the war incurred heavy losses, with the SPD shedding nearly seven points since the last election five years ago and the CDU almost six points. / AFP PHOTO / Odd ANDERSENODD ANDERSEN/AFP/Getty Images

TOPSHOT - Law Enforcement Officers are seen at the scene of an explosion on West 23rd Street September, 18, 2016 in New York. An explosion rocked one of the most fashionable neighborhoods of New York on September 17 night, injuring 29 people, one seriously, a week after America's financial capital marked the 15th anniversary of the 9/11 attacks. Mayor Bill de Blasio indicated the blast was not accidental, even if there was no known link to terrorism. The blast occurred in Chelsea -- an area packed with bars, restaurants and luxury apartment blocks -- at a typically bustling time of the weekend / AFP PHOTO / KENA BETANCURKENA BETANCUR/AFP/Getty Images

TOPSHOT - New York Governor Andrew Cuomo(L) and New York City Mayor Bill de Blasio(R) arrive at the scene of an explosion on West 23rd Street September, 18, 2016 in New York. An explosion rocked one of the most fashionable neighborhoods of New York on September 17 night, injuring 29 people, one seriously, a week after America's financial capital marked the 15th anniversary of the 9/11 attacks. Mayor Bill de Blasio indicated the blast was not accidental, even if there was no known link to terrorism. The blast occurred in Chelsea -- an area packed with bars, restaurants and luxury apartment blocks -- at a typically bustling time of the weekend. / AFP PHOTO / Bryan R. SmithBRYAN R. SMITH/AFP/Getty Images

Storm clouds are seen above the Canary Wharf financial district in London, Britain, August 3, 2010. REUTERS/Greg Bos/File Photo

Hong Kong's central financial district's (from L to R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters and Standard Chartered Bank are pictured lighted up before Earth Hour March 28, 2015. REUTERS/Tyrone Siu