Billionaire Carlos Slim, chairman emeritus of America Movil SAB, listens during the Bloomberg Mexico Year Ahead 2017 Summit in Mexico City, Mexico, on Thursday, Dec. 1, 2016. The summit brings together government, banking, energy and industry opinion leaders to discuss the country's economic and political future and its relationship with the United States and the rest of the world. Photographer: Susana Gonzalez/Bloomberg via Getty Images
