MONDAY

Local earnings: Ameriprise Corp., HickoryTech Corp., Virtual Radiologic Corp.

TUESDAY

Local earnings: 3M Co., Aetrium Inc., Buffalo Wild Wings Corp., Capella Education, Ecolab Inc., Entegris Inc., Urologix Inc., Hutchinson Technology Corp., Imation Corp., Pentair Inc., G&K Services Inc.

Annual meeting: HMN Financial Inc.

Economy: Conference Board consumer confidence report for April

WEDNESDAY

Annual meeting: Ameriprise Financial Inc., TCF Financial Corp., Tennant Co., Winmark Corp.

Local earnings: SurModics Inc., Stratasys Inc., Fair Isaac Corp., Regis Corp., Famous Dave's of America Inc., Compellent Technologies Inc.

THURSDAY

Annual meeting: American Medical Systems Holdings Inc., Ikonics Corp., Pentair Inc., Polaris Industries Inc.

Economy: Initial claims report

Local earnings: Digital River Inc., Xcel Energy Inc., Rochester Medical Inc., Ev3 Inc., OneBeacon Insurance

FRIDAY

Economy: Gross domestic product report

Local earnings: Allete Inc., MoneyGram International Inc.