Supermarkets companies shares down at 10 a.m.

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

Kroger fell $1.01 or 1.3 percent, to $75.65.

Supervalu fell $.15 or 1.3 percent, to $11.48.

Whole Foods Market Inc. fell $.76 or 1.5 percent, to $51.32.