Launched on June 19, 2006, the State Street SPDR S&P Regional Banking ETF (KRE) is a passively managed exchange traded fund designed to provide a broad exposure to the Financials - Regional Banks segment of the equity market.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.Additionally, sector ETFs offer convenient ways to gain low risk and d ...