NEW YORK (AP) -- Shares of some top big-box retail companies were down at the close of trading:
Costco Wholesale Corp. fell $1.90 or 1.7 percent, to $110.19.
Target fell $1.28 or 1.8 percent, to $68.88.
Wal-Mart Stores Inc. fell $1.27 or 1.7 percent, to $74.46.

