John O’Hara, business development manager for Halliburton Co, describes a piece of equipment to members of Pay-It-Forward During The Downturn, a networking group for laid-off white collar oilfield workers, during a tour of a Halliburton facility in Spring, Texas, U.S., August 18, 2016. REUTERS/Ernest Scheyder

John O’Hara, business development manager for Halliburton Co, describes a piece of equipment to members of Pay It Forward During The Downturn, a networking group for laid-off white collar oilfield workers, during a tour of a Halliburton facility in Spring, Texas, U.S., August 18, 2016. REUTERS/Ernest Scheyder

WASHINGTON, DC - SEPTEMBER 12: The Trump International Hotel on its first day of business September 12, 2016 in Washington, DC. The Trump Organization was granted a 60-year lease to the historic Old Post Office by the federal government before Trump announced his intent to run for president. The hotel has 263 luxry rooms, including the 6,300-square-foot 'Trump Townhouse' at $100,000 a night, with a five-night minimum. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 12: Last-minute preparations are made in front of the Trump International Hotel on the first morning it is open for business September 12, 2016 in Washington, DC. The Trump Organization was granted a 60-year lease to the historic Old Post Office by the federal government before Trump announced his intent to run for president. The hotel has 263 luxry rooms, including the 6,300-square-foot 'Trump Townhouse' at $100,000 a night, with a five-night minimum. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 12: Employees make last-minute preparations in front of the Trump International Hotel on the first morning it is open for business September 12, 2016 in Washington, DC. The Trump Organization was granted a 60-year lease to the historic Old Post Office by the federal government before Trump announced his intent to run for president. The hotel has 263 luxry rooms, including the 6,300-square-foot 'Trump Townhouse' at $100,000 a night, with a five-night minimum. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 12: Last-minute preparations are made in front of the Trump International Hotel on the first morning it is open for business September 12, 2016 in Washington, DC. The Trump Organization was granted a 60-year lease to the historic Old Post Office by the federal government before Trump announced his intent to run for president. The hotel has 263 luxry rooms, including the 6,300-square-foot 'Trump Townhouse' at $100,000 a night, with a five-night minimum. (Photo by Chip Somodevilla/Getty Images)

CORRECTION - A general view of the headquarters of Electric utility service provider Eon is pictured on September 12, 2016 in Essen, Germany. Shares in the German utility are dropping more than 13 per cent in early trading on Monday after Uniper, a new company containing Eons fossil fuel power plants and energy trading arm, was finally spun off and will trade separately on the Frankfurt stock exchange. / AFP PHOTO / PATRIK STOLLARZ / The erroneous mention[s] appearing in the metadata of this photo by PATRIK STOLLARZ has been modified in AFP systems in the following manner: [--Shares in the German utility are dropping more than 13 per cent in early trading on Monday after Uniper, a new company containing Eons fossil fuel power plants and energy trading arm, was finally spun off and will trade separately on the Frankfurt stock exchange. -] instead of [-Electric utility service provider Eon has merged its power plant segment with its trading business, now operating under its name Uniper. Uniper is today become a company of its own, with an IPO.--]. Please immediately remove the erroneous mention[s] from all your online services and delete it (them) from your servers. If you have been authorized by AFP to distribute it (them) to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require.PATRIK STOLLARZ/AFP/Getty Images

WASHINGTON, DC - SEPTEMBER 12: Construction works clear away debris in front of the Trump International Hotel on the first morning it is open for business September 12, 2016 in Washington, DC. The Trump Organization was granted a 60-year lease to the historic Old Post Office by the federal government before Trump announced his intent to run for president. The hotel has 263 luxry rooms, including the 6,300-square-foot 'Trump Townhouse' at $100,000 a night, with a five-night minimum. (Photo by Chip Somodevilla/Getty Images)