PreMarket Info Recap for September 13: Friday the 13th Edition

Have you ever woken up to find that a stock in your portfolio made a dramatic move overnight? Are you interested in learning how to understand each day's post-market and pre-market moves? Veteran traders Joel Elconin and Dennis Dick will give you all of the insights that you'll need to get in on the action before the opening bell. Some highlights:

• Twitter announces that it intends to go public
• Good timing because social media has been hot
• Casino stocks and health insurers are hot as well
• Intel INTC upgraded at Jefferies

Check out the video below for a recap of Friday morning's show.