FILE PHOTO: The logo of stock market operator Euronext is seen on a building in the financial district of la Defense in Courbevoie, near Paris, France, May 14, 2018. REUTERS/Charles Platiau/File Photo
FILE PHOTO: The logo of stock market operator Euronext is seen on a building in the financial district of la Defense in Courbevoie, near Paris, France, May 14, 2018. REUTERS/Charles Platiau/File Photo