Looking for broad exposure to the Healthcare - Broad segment of the equity market? You should consider the Vanguard Health Care ETF (VHT) , a passively managed exchange traded fund launched on January 26, 2004.An increasingly popular option among retail and institutional investors, passively managed ETFs offer low costs, transparency, flexibility, and tax efficiency; they are also excellent vehicles for long term investors.Sector ETFs also provide investors access to a broad group of companies in particular ...