US President Donald Trump and former President Barack Obama potraits are on television as traders work on the floor at the closing bell of the Dow Industrial Average at the New York Stock Exchange on May 8, 2018 in New York. - Wall Street stocks finished essentially flat Tuesday as investors tried to assess the potential fallout from US President Donald Trump's decision to pull the US out of the Iran nuclear accord. The Dow Jones Industrial Average ended the session 24,360.21, just a hair above Monday's close. (Photo by Bryan R. Smith / AFP) (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
