###Live Caption:This week, several big retailers — Wal-Mart Stores Inc., Macy's Inc. and JCPenney Co. — release their first-quarter results, along with outlooks for lat?  er in the year.###Caption History:In this April 29, 2008, photo, shoppers stroll the aisles in a Maumelle, Ark., Wal-Mart Stores Inc., Supercenter store. Wal-Mart, which is rolling out more discounts, reported a 3.2 percent gain in April in same-store sales. (AP Photo/Danny Johnston)###Notes:###Special Instructions:APRIL 29 2008 PHOTO Photo: Danny Johnston
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