Thursday's economic calendar: Auto sales Chain Store Sales 7:30 Challenger Job-Cut Report 8:15 ADP Jobs Report 8:30 Initial Jobless Claims 8:30 Productivity and Costs 9:00 PMI Manufacturing Index 9:45 Bloomberg Consumer Comfort Index 10:00 ISM Manufacturing Index 10:00 Construction Spending 10:00 Consumer Confidence 10:30 EIA Petroleum Inventories 10:30 EIA Natural Gas Inventory 4:30 PM Money Supply 4:30 PM Fed Balance Sheet