CHICAGO - AUGUST 29:  A shopper walks down an aisle at a Walgreens store along Michigan Ave. August 29, 2006 in Chicago, Illinois. Worries about the U.S. job market caused the consumer confidence index to take an unexpected tumble in August to its lowest level in nine months. Getty Images logo Getty Images 38 months ago

CHICAGO - AUGUST 29: A shopper walks down an aisle at a Walgreens store along Michigan Ave. August 29, 2006 in Chicago, Illinois. Worries about the U.S. job market caused the consumer confidence index to take an unexpected tumble in August to its lowest level in nine months.