FILE PHOTO: American Express logo and trading symbol are displayed on a screen at the New York Stock Exchange (NYSE) in New York, U.S., December 6, 2017. REUTERS/Brendan McDermid
FILE PHOTO: American Express logo and trading symbol are displayed on a screen at the New York Stock Exchange (NYSE) in New York, U.S., December 6, 2017. REUTERS/Brendan McDermid