As the healthy-food trend sprouts, so does United Natural Foods, a distributor of 35, 000 natural and organic products.

FORBES: Food Markets

Sysco competes with such companies as United Natural Foods, and reports from grocery chains like Supervalu and Whole Foods can offer some guidance on its performance.

FORBES: Food Costs Eat Away At Sysco's Quartely Profit

Among the largest underlying components of IWM, in trading today United Natural Foods Inc. ( NASD: UNFI) is up about 1.6%, Dril-Quip, Inc. ( NYSE: DRQ) is up about 2.1%, and Ocwen Financial Corp. ( NYSE: OCN) is higher by about 0.9%.

FORBES: IWM, UNFI, DRQ, OCN: ETF Inflow Alert