Welcome to “#SocialStocks,” The Fly’s weekly recap of Wall Street’s reactions to social media stock news. ANTITRUST PROBE OF… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2961806/-SocialStocks-Antitrust-probe-from-state-AGs-Facebook-Dating-launched-in-US)