Weight shares in your portfolio according to a strategy that varies from that of major market indexes. (cnbc.com)
These index mutual funds are designed to track major market indexes rather than beat them, so you're not paying for expensive fund managers or high trading costs. (moneysense.ca)
For most major market indices, one or more companies offer an index fund product that can track the index with a high degree of accuracy, while charging very low fees. (planadviser.com)