The Vanguard S&P 500 ETF (NYSEMKT: VOO) is one of the market's most popular exchange-traded funds (ETFs). It tracks the S&P 500 (SNPINDEX: ^GSPC) market index with pinpoint precision and minimal fees.

Investing is a fascinating world, deep with layers of knowledge and understanding that can sometimes be intimidating. But successful investing doesn't have to be complex; it can be simple, perhaps ...

This index fund, and the index it tracks, have proved their strength over time. Regularly investing in this fund could be the key to your investment victory. Planning for retirement may sometimes be a ...

The number of complex investment strategies available to investors has never been greater. But most investors are probably still best served by a few simple, market-cap-weighted index funds. One of ...

It's not easy to beat the S&P 500 index. Most professional investors don't, even though they charge an arm and a leg for managing your money. Ironically, you don't need some fancy, complex trading ...

The irony? When it comes to maximizing your returns, less is more, and simpler is better. Plenty of investors have undermined their own returns by too many overly aggressive stock picks and too much ...

Each of these should serve you very well over the long term, in part due to their low fees. The SPDR ETF has the highest expense ratio (annual fee) -- only 0.095%, meaning you'll pay just $9.50 per ...

A simple S&P 500 index fund can be all you need to build up a hefty war chest for retirement. Each of these should serve you very well over the long term, in part due to their low fees. The SPDR ETF ...