FILE - This Monday, July 6, 2015, file photo shows a sign for Wall Street carved into the side of a building in New York. Stocks are edging higher in early trading on Wall Street, Friday, May 19, 2017, as traders look over a mixed bag of earnings reports. (AP Photo/Mark Lennihan, File)

FILE - This Monday, July 6, 2015, file photo shows a sign for Wall Street carved into the side of a building in New York. Stocks are edging higher in early trading on Wall Street, Friday, May 19, 2017, as traders look over a mixed bag of earnings reports. (AP Photo/Mark Lennihan, File)