Index fund

An index fund is a type of mutual fund with a portfolio constructed to match or track the components of a financial market index, such as the Standard & Poor’s 500 Index (S&P 500). An index mutual fund is said to provide broad market exposure, low operating expenses and low portfolio turnover. These funds follow their benchmark index no matter the state of the markets—Read more at Investopedia. Chen, James. “Index Fund.” 11 June 2019