Similar to many consumer discretionary exchange traded funds, the  iShares Dow Jones U.S. Consumer Services Sector Index Fund (NYSEArca: IYChas the ability to play defense in a portfolio in an uncertain market. While the services sector can be recession resilient, it is more sensitive to consumer spending than the staples are.

Owning shares in corporations that produce items such as soap, fast food, mid-priced entertainment and other everyday services is a theme that numerous fund managers and ETF sponsors use to attract investors, especially in the current economic environment. [Consumer Discretionary ETFs on Menu After McDonald’s Results]

IYC holds household names such as McDonald’s, Costco, CVS and Wal-Mart. CVS recently reported a 32% jump  in pharmaceutical services, and posted a 20% growth in revenue. McDonald’s also reported an 11% increase in company growth, reports Selena Maranjian for The Motley Fool.

An ETF such as IYC could be a defensive choice in a volatile market. Most of the companies are U.S. large caps that are established, and the focus of top holdings is the retail-discount sub-sector. There is a yield of 1.03%, and a 0.47% expense ratio. [Why Retail ETFs Need to Get Back on Track]

Keep in mind, the services sector employs about 90% of the U.S. economy, including areas such as retail, construction, hotel business and health care. Consumer spending drives about 70% of economic activity and this did not increase from April to May.