Nightly Business Report

The Democratic National Convention is underway in North Carolina. We'll speak with Austan Goolsbee, he's the top economist on the president's economic recovery board. September is historically the worst month for stocks...what can investors expect this time around? New York Correspondent Suzanne Pratt takes a look. Gas prices may be up, but consumers were scrambling to buy new cars in August. Midwest Bureau Chief Diane Eastabrook takes a look at why auto sales revved up last month.