In economic data, the Conference Board said the mood among U.S. consumers remains low in September after plummeting in August, with consumers worried about their future incomes.
And, the National League of Cities said U.S. cities could remain in bad financial shape for a while, as a weak economy has lowered tax revenue and delayed infrastructure projects.
Shares of Walgreens fell 6.3%, to 33.77, after the drug store chain said there has been no progress in contract-renewal negotiations with Express Scripts. The company has generated revenue of about $5.3 billion annually for Walgreen.
Apple announced an iPhone-related event Oct. 4 at its Cupertino, Calif., headquarters, setting the stage for the widely anticipated launch of its latest smartphone. AAPL down 1% to 399.26