SPDR Portfolio S&P 500 ETF offers lowest expense ratio, strong long-term returns, & excellent liquidity for retail investors.

You'll want to own all four, since they move at least somewhat independently of one another, making them all easier to stick ...

A smart beta exchange traded fund, the First Trust Energy AlphaDEX ETF (FXN) debuted on 05/08/2007, and offers broad exposure to the Energy ETFs category of the market. What Are Smart Beta ETFs? The ...