families. the white house denied sharing any classified information. number two, barnes & noble announcing it is considering spinning off its nook unit. nook is its ereader. the company says holiday sales rose 70% over last year but the cheaper simple touch caused the company to cut its overall sales outlook. shares are hammered, down 17%. third, general motors announcing a fix for the chevy volt. there were concerns about how well the volt's battery was protected because two cars caught fire weeks after a crash test. we took a look at what gm is doing. the company will strengthen existing protection surrounding the battery and adding a censor to monitor cooling levels. there is an an official recall. the company is calling it a quote customer satisfaction campaign. initial claims for unemployment benefits fell by 15,000 to 372,000. now the four-week moving