An index fund is a mutual fund or ETF composed to match the composition of a benchmark stock index and mirror its performance. For example, The Vanguard Russel 2000 ETF is composed of the same ...

Index funds are mutual funds that seek only to mirror the performance of an underlying stock market index — not to outperform ...

Index funds don't have human fund managers actively picking and trading assets. Instead, they use a financial market index, such as the S&P 500, to define their holdings. The index approach is ...

Index funds, by definition, aim to mirror a particular market index, such as the Dow Jones Industrial Average, the Nasdaq Composite Index or the S&P 500. Since they contain largely the same ...