By Michael Venuto
Published in ETF.com
In the past decade, the indexing business has moved from a benchmarking business to an investable universe and an asset-gathering business, in large part, because of the growth of the ETF industry. Still, the sometimes-complex worlds of indexing and ETFs have left some stocks out of major indexes and funds, creating gaps in exposure for investors.
The question then becomes, how should investors fill this blind spot?