why are there zombie etfs 
zombie etfs are no longer a rarity the broadest and most popular etfs such as the spdr s p 500 etf trust spy have filled much of the market demand leaving few gaps left to capitalize on against this competitive backdrop providers are coming up with increasingly quirky ideas to stand out from the crowd increase market share and broaden their lineup of offerings this has resulted in a number of hyper focused etfs investing in niche areas of the market consider the global x millennials thematic etf miln an etf that focuses on companies that make products that are relevant to young americans while these funds might have good or even great returns they re not obvious picks for investors looking to diversify their portfolios across sectors the real issue is whether or not a fund fits a strategic need in enough investors portfolios 