Citi estimates same store sales should be up a strong 5 percent, largely due to the fact that the weather has turned colder.

Shares of AMR Corporation—the bankrupt parent company of American Airlines—are soaring today, as the embattled company makes its debut on the over-the-counter market.

The euro slumped to a new 16-month low, taking global stock markets and commodities with it, amid fresh concerns about European banks and the potential for sovereign downgrades.