And you thought the ETF space was funky this year.

Brendan Conway of Barron's takes a look at the growing inventiveness of main-streams firms like Eaton Vance, J.P. Morgan Asset Management, and Franklin Templeton.

One of the hottest trends, of course, is factor or fundamental investing, or smart beta. However, Conway warns that some of these designs could make the product more volatile than the underlying assets.

Read more of Conway's insights in Barron's. 

Edited by: Tommy Fernandez


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