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

Kroger fell $.04 or .1 percent, to $50.21.

Safeway fell $.12 or .3 percent, to $34.52.

Supervalu rose $.06 or .6 percent, to $9.48.

Whole Foods Market Inc. rose $.49 or 1.3 percent, to $38.75.