Big-box Retail companies shares mixed at 10 a.m.

IndustriesAssociated Press

Shares of some top big-box retail companies are mixed at 10 a.m.:

Costco Wholesale Corp. rose $.07 or percent, to $149.70.

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Target fell $.03 or percent, to $83.54.

Wal-Mart Stores Inc. rose $.13 or .2 percent, to $80.78.