ETF's - Can there be too much of a good thing?

A perfect example of why it's always important to stay ahead of the curve.

I read a great article today regarding the "bandwagon" of passive investing. While I employ this method to some degree, it is with a very complex blend of ETF's, with tolerance bands, individual selections, and elements of active management.

Many investors have reaped the benefits of low-fee passive index investing, but can there be too much of a good thing?

For more, click here to read the article.