If you build [an ETF for] it, they will come…or will they? Today’s article looks at the proliferation of “thematic” ETFs as fund issuers have sought to take maximum advantage of the popularity of exchange-traded funds with niche options such as 3D printing, wearable technology and medical marijuana ETFs. While these funds might be interesting, do they really offer anything to the average investor? The author highlights what separates the good thematic ETFs from the bad ones. What are some funds showing dramatic results – including what the author states “could be the greatest success of the thematic category”? CLICK HERE to find out.