A decade ago, there were about 300 Exchange Traded Funds (ETFs). Today, there are more than 1,400 ETFs. The spectacular growth of ETFs demonstrates a shift in investor strategy that takes advantage of the risk dampening effect of ETF diversification as well as having the liquidity of trading like stocks. To find out more about ETFs go to http://www.bloomberg.com/markets/etfs/etf_about.html