Closed-end funds are like the dark horse of the investment world.

They are not mentioned very often but they could make you some serious money.  

There are a bunch of differences between a closed-end fund and an open-end -- or regular -- mutual fund. 

They are bought and sold differently and a closed-end fund's portfolio could be a little riskier.

But that extra risk could mean extra upside -- higher dividends -- bigger returns.  Of course it could also mean bigger downside and lower returns.  So give us 60 seconds, watch the video above and learn if closed-end funds could be right for your portfolio.

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