Facebook has lost $70 billion in 10 days — and now advertisers are pulling outArticle contentShares of Facebook Inc fell again on Monday after the U.S. consumer protection regulator made public its investigation of how the social network allowed data of 50 million users to get into the hands of political consultancy Cambridge Analytica. Scrutiny by the U.S. Federal Trade Commission, which generally confirms the existence of an investigation only in cases of significant publ
