Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

Zynga and Facebook both saw surges on positive earnings, but social media with questionable business models are still a risky bet.

  • untitled
CNNMoney assistant managing editor Paul LaMonica highlights the latest news from Wall Street and what's moving the markets in his daily investing commentary.
@LaMonicaBuzz