"Since March 2009, when U.S. stock markets hit their lows, investors have pumped $57 billion into ETFs holding U.S. stocks. U.S.-stock mutual funds over the same period have suffered withdrawals of $66 billion, according to Morningstar Inc.
In all, investors today around the globe have a total of $1.4 trillion invested in some 3,500 exchange-traded portfolios, according to BlackRock Inc.....
For investors big and small, they have reshaped the basics of investing. They have proved easy to use for creating diversified portfolios. With relative transparency, generally low costs and tax efficiency, they offer access to markets and strategies that were once difficult to enter and exit. For professional traders, they make it possible to turn big positions on a dime either to protect holdings or jump on new opportunities."
Gee, would make great discussions in many classes...From Investments, to SIMM, to Financial Management.