People walk past the New York Stock Exchange building after the ringing of the opening bell to celebrate the 225th anniversary of the New York Stock Exchange, at the NYSE in New York on May 17, 2017. (Photo by Jewel Samad/AFP/Getty Images)
People walk past the New York Stock Exchange building after the ringing of the opening bell  to celebrate New York Stock Exchange's 225th Anniversary, at the NYSE in New York on May 17, 2017. (Photo by Jewel Samad/AFP/Getty Images)