INDEX DESCRIPTIONS: The following descriptions, while believed to be accurate, are in some cases abbreviated versions of more detailed or comprehensive definitions available from the sponsors or originators of the respective indices. (businessinsider.com)
They all follow their respective indexes very closely and are very liquid (which lowers the bid / ask spread), tax efficient and low in annual fees. (investorjunkie.com)
Isn't it interesting to think that with all the praise over index fund investing, you are automatically underperforming your respective index? (financialsamurai.com)