MONDAY

Local earnings: Virtual Radiologic

TUESDAY

Annual meeting: HMN Financial Inc.; Local earnings: Buffalo Wild Wings Inc., Ecolab Inc., Ev3 Inc., G&K Services Inc., Hutchinson Technology Inc.; Economy: Consumer confidence report for April.

WEDNESDAY

Annual meeting: TCF Financial Corp., Tennant Co., Winmark Corp.; Local earnings: Digital River Inc., Insignia Systems Inc., PepsiAmericas Inc., Regis Corp., Stratasys Inc., SurModics Inc.; Economy: Gross domestic product report for first quarter.

THURSDAY

Annual meeting: American Medical Systems Holdings Inc., Pentair Inc., Polaris Industries Inc.; Local earnings: Capella Education Co., Compellent Technologies Inc., Entegris Inc., the Travelers Companies Inc., Xcel Energy Inc.