Shares of some top specialty retail companies are mixed at 10 a.m.:

Autozone Inc. fell $3.08 or .6 percent, to $528.92.

Bed Bath & Beyond Inc. fell $5.80 or 9.5 percent, to $55.31.

Best Buy fell $.34 or 1.1 percent, to $30.22.

Home Depot Inc. fell $.25 or .3 percent, to $80.28.

Lowe's Cos. rose $.31 or .7 percent, to $47.01.

RadioShack unchanged at $0.91.

Staples fell $.19 or 1.7 percent, to $10.74.

TJX Companies fell $.88 or 1.6 percent, to $52.27.