The fortune of Christy Walton, the world's richest woman with $40.2 billion, has lost pace with the S&P 500 in 2015 as costly turnaround plans for Wal-Mart Stores Inc. spook investors. Walton is the daughter-in-law of founder Sam Walton, who opened his first retail store in Rogers, Arkansas, in 1962. Part of the company's turnaround plan includes raising wages to $10 an hour by next year. At the current rate, it would take a full-time Wal-Mart employee working 12 hours a day more than a million years to earn the equivalent of Walton's net worth, according to the Bloomberg Billionaires Index.
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