In this file photo, an unidentified Wal-Mart associate, right, arranges a back-to-school display of children’s shirts at a Fayetteville, Ark., store. The Supreme Court has ruled for Wal-Mart in its fight to block a massive sex discrimination lawsuit on behalf of women who work there.

First published in the June 20, 2011, 3:04 p.m. edition

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