The fund normally invests at least 80% of assets in securities of companies principally engaged in the ownership or management of hospitals, nursing homes, health maintenance organizations, and other companies specializing in the delivery of health care services. It invests primarily in common stocks. The fund invests in domestic and foreign issuers. It uses fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions to select investments. The fund is non-diversified.