FYI: Multifactor ETFs aren't so much reinventing the wheel as they are The Wheel 2.0. If you accept the premise that maximizing your exposure to one investment factor can help you boost returns and manage risk, then why not attempt the same using two factors, or more?
Sounds great, of course. But the question, as always, is whether it works
Regards,
Ted
http://www.etf.com/sections/features-and-news/do-multifactor-etfs-make-sense?nopaging=1