3 Buzzing Social Media Stocks: LinkedIn’s Lawsuit Woes, Pandora’s International Options, Facebook’s Learning Project

LinkedIn (NYSE:LNKD): LinkedIn shares are sliding somewhat as the company denied allegations in a lawsuit that it breaks into members’ accounts; LinkedIn insists it never sends invitations to join the service on a user’s behalf without permission. Four members who are seeking damages on behalf of all LinkedIn users filed the suit, alleging that the company is collecting the addresses of their contacts and spamming them with multiple requests to sign up.