Reports: Non-Manufacturing ISM Report on Business for April, Markit PMI Services report for April

Local earnings: Acura Pharmaceuticals Inc., ANI Pharmaceuticals, John Bean Technologies Corp., Landaurer inc. Orbiz Worldwide Inc.

Other earnings: Fastenal Co., Hillenbrand Inc., Pfizer Inc., Primerica Inc., Sysco Copr., Tyson Foods Inc., and others

Of note: Walgreen Co. April sales and revenue