Nathan fuller is buying shares in a mutual fund that invests in the same companies as those found in the s& p 500 and in roughly the same proportion. what type of mutual fund is he buying?

index fund An index fund is a type of mutual fund with a portfolio constructed to match or track the components of a 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.