The day ahead in business
Reports: Jan ADP survey for January, weekly mortgage applications, January ISM

Local earnings: Allstate Corp., Littelfuse Inc., Stericycle Inc., Walgreen Co.

Other earnings: Allergan Inc., Automatic Data Processing Inc., Mercks & Co., Nasdaq OMX Group, Time Warner Inc.

Of note: Fed's Tarullo testifies on Volker Rule; Fed's Plosser speaks on the economic outlook; Fed's Lockhart speaks on the economy.