FILE PHOTO: Vasant Prabhu, Chief Financial Officer of Visa, speaks during the Milken Institute Global Conference in Beverly Hills, California, U.S., May 2, 2017. REUTERS/Mike Blake
FILE PHOTO: Vasant Prabhu, Chief Financial Officer of Visa, speaks during the Milken Institute Global Conference in Beverly Hills, California, U.S., May 2, 2017. REUTERS/Mike Blake