Today, he said, eight or nine exchange-traded funds are in the top 20.
Investors can choose among 132 exchange-traded funds, up from 30 in 1999.
Indeed there are now many Exchange-traded funds available which claim to offer one of the two styles.
But exchange-traded funds may not be suitable for all investors.
Specialists in exchange-traded funds expect demand for these issues to be strong.
It is now the country's largest exchange-traded fund, with $54.3 billion in assets.
Finally, the site gives you a list of suggested exchange-traded funds with which to build the portfolio.
The simplicity of exchange-traded funds has made them wildly popular.
Competition for the listing of exchange-traded funds may be heating up.
The markets might be slumping, but sales of exchange-traded funds are not.