Wal-Mart to once again share U.S. store data

Wal-mart will provide sales data from its U.S. Wal-mart chain to Nielsen Holdings NV (NLSN.N), bolstering an industry benchmark that has lacked Wal-mart’s sales data for more than a decade. Nielsen and SymphonyIRI, which will be making similar announcement soon, gather and analyze sales data from U.S. chain stores ranging from grocery stores such as Kroger Co (KR.N) to mass merchants such as Target Corp (TGT.N) to give manufacturers, Wall Street analysts and others insight into how various products are selling.

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