The HealthShares Patient Care Services ETF (Ticker: HHB) seeks to replicate as closely as possible, before expenses, the total return performance of the HealthShares Patient Care Services Index. The index is comprised of companies engaged in providing direct treatment of patients in hospitals, outpatient clinics, nursing homes, assisted living centers, treatment facilities or home health providers. Companies must have a minimum market capitalization greater than $100 million and less than $15 billion for at least two of the three proceeding quarters. Stocks are equally weighted when the fund is formed and then float with the market thereafter. When the weight of an individual stock reaches 15% of the index value it is adjusted down to 10%, and when a stocks falls to 2.5% it is adjusted up to 5%. S&P is the administrator of HealthShares indexes.