NEW YORK (AP) — Shares of some top big-box retail companies are down at 1 p.m.:

Costco Wholesale Corp. fell $1.03 or 1.0 percent, to $100.32.

Target fell $.68 or 1.1 percent, to $63.31.

Wal-Mart Stores Inc. fell $.47 or .6 percent, to $74.78.