https://www.reuters.com/article/us-facebook-ftc/u-s-ftc-probes-facebooks-acquisition-practices-wsj-idUSKCN1UR5I3 >The U.S. Federal Trade Commission is investigating whether Facebook Inc acquisitions were aimed at buying up potential rivals before they could become a threat to the social media company, the Wall Street Journal reported on Thursday, citing people familiar with the matter.