One ETF that will fit in almost any portfolio is the Vanguard S&P 500 ETF (NYSEMKT: VOO). The S&P 500 (SNPINDEX: ^GSPC) index is a curated list of roughly 500 U.S. companies. If you are looking to track the market,

If you're new to investing and don't have a lot of money to get started, don't fret. The best place for new investors to begin is often with exchange-traded funds (ETFs), which will give investors instant diversification through a portfolio of stock holdings.

Vanguard is one of the gold standards when it comes to low-cost exchange-traded fund (ETF) options. Undoubtedly, passive investing (typically with index funds) tends to be wildly popular among the retail crowd.

The Vanguard Energy ETF ( VDE -1.80%) mirrors the sector's performance. So far this year, it is the best-performing exchange-traded fund (ETF) offered by investment management firm Vanguard. And with a 3.2% yield and a mere 0.1% expense ratio, it offers an inexpensive way to generate passive income.