In this photo taken March 1, 2011, a shopper unloads his groceries outside a Kroger store in Houston. Kroger Co., the nation's largest traditional-format grocer, is saying its fourth-quarter net ... more 
In this photo taken March 1, 2011, a shopper unloads his groceries outside a Kroger store in Houston. Kroger Co., the nation's largest traditional-format grocer, is saying its fourth-quarter net income jumped more than 9 percent while sales rose 7.4 percent as it kept increasing customer loyalty and its market share. less 
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Associated Press | Photo By Pat Sullivan
Fri, Mar 4, 2011 3:26 PM EST