Early Glance: Big-box Retail companies

NEW YORK (AP) -- Shares of some top big-box retail companies are down at 10 a.m.:

Costco Wholesale Corp. fell $.59 or .4 percent, to $145.62.

Target fell $.55 or .7 percent, to $80.96.

Wal-Mart Stores Inc. fell $.52 or .7 percent, to $78.58.