As the

Dow Jones Industrial Average

fell 3.8% and the Nasdaq fell 4.2% Tuesday, most grocery stocks also were looking a bit thin.

Whole Foods Market ( WFMI) fell 6.5% to $9.32.

Kroger fell 1.5% to $20.97.

Safeway fell 4% to $19.91.

Supervalu fell 4.1% to $17.20.

Great Atlantic & Pacific Tea Co. ( GAP) fell 10.4% to $5.51.

Costco fell 1.5% to $42.12.

BJ's Wholesale Club fell 1.4% to $28.34.

Wal-Mart , meanwhile, looked downright plump in comparison after eking out a 3.7% gain to $48.24.