Many commentators on this blog and others have argued that the equal weighting strategy is inherently superior, because it doesn't concentrate the fund's holdings on a small number of securities. (moneysense.ca)
A large number of these securities received the highest credit ratings, including AAA, but proved to be anything but safe. (investopedia.com)
Since most indexes are broad - based in terms of number of securities, they offer the advantage of extraordinary diversification. (us.etrade.com)