SAN FRANCISCO - A federal judge on Tuesday approved class-action status for a sex-discrimination lawsuit against Wal-Mart Stores Inc. that has become the largest private civil rights case in U.S. history.
It could represent as many as 1.6 million current and former female employees of the retailing giant.
The suit alleges Wal-Mart created a system that frequently pays its female workers less than their male counterparts for comparable jobs and bypasses women for key promotions.
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