TechnologyFacebook marketplace faces EU antitrust probe - source Foo Yun Chee 2 minute read A 3D-printed Facebook logo is seen placed on a keyboard in this illustration taken March 25, 2020. REUTERS/Dado Ruvic/Illustration/File Photo Facebook (FB.O) is likely to face its first EU antitrust investigation in the coming weeks as regulators zoom in on its online marketplace after rivals complained about the service, a person familiar with the matter said. The move by European Competition Commissioner Margrethe Vestager would make Facebook the latest U.S. tech giant to be in her crosshairs following cases against Alphabet's (GOOGL.O) Google, Apple (AAPL.O) and Amazon (AMZN.O).