What is a broad based index fund?

Question: What is a broad based index fund?

As with any broad-based Index fund, an index fund is designed to reflect the movement of a group of stocks or the entire market. So that we can buy shares of good company little by little in less money. Owning the securities that make up a broad-based index can add legitimacy to a portfolio, giving us all of those companies at once, so we can predict whether the market is going up or down Is.