Big-box Retail companies shares down at the close of trading

Shares of some top big-box retail companies were down at the close of trading:

Costco Wholesale Corp. fell $1.16 or .8 percent, to $146.96.

Target fell $1.32 or 1.6 percent, to $81.38.

Wal-Mart Stores Inc. fell $.47 or .6 percent, to $79.37.