Vanguard Health Care ETF(AMEX:VHT)

The fund offers broad exposure to healthcare companies in the US. It holds firms that stretch across multiple industries from the broadly defined healthcare space. This includes healthcare provider and services companies, healthcare equipment and supplies manufacturers and distributors, healthcare technology firms, and companies involved in the research, development, production, and marketing of pharmaceuticals and biotech products. The funds large basket stems from its total market universe. Holdings are weighted by market capitalization and are diversified by applying limits on regulated investment companies, such that no group entity exceeds 25% of the index weight and the aggregate weight of issuers with over 5% weight in the index are capped at 50% of the portfolio. The index is rebalanced quarterly.