One of the most popular investment choices today are mutual funds. Mutual funds have continuously become more popular and investors continue to show their confidence towards this type of investment as they continue to invest more year by year.

Although there are many types of mutual funds available in the market today that represent various types of commodities one of the most popular types of funds is index funds.

Although there is not concrete definition of what an index fund is what defines them is that these funds invest in large cross sections of stocks and securities. These investments are selected in such a way as to attempt to match one of the popular stock indexes' returns. In other words, these funds are set up in a way to match the Standard and Poors 500 of various stock market indexes.

There are several advantages with investing in index funds. The first advantage is that generally, the average expenses of index funds tend to be lower because index funds do not require active management. Less cost translates into more profits for the investors.

These funds save money because there is no one actively pursuing trades constantly. Funds buy and sell constantly and what is bought and sold under the direction of the manager, which generates costs to go with such transactions.

Index funds can be managed passively with the use of technology and thus limiting the role of management to crucial decisions. The fund transactions are mostly computerized so that specialized software is used to choose the stocks to match the return of the index, eliminating excess trading on behalf of the fund's management.

Investing in index funds offers a bit of security to the investor who enjoys the benefit of lower fees as well as a smooth performance. As long as markets are going up your investment will indeed go up too.