In the investment markets - the portions that affect you and me - exchange-traded funds (ETFs) have emerged as the ultimate market disruptor.
This massive shift is due to more than investor fickleness. ETFs trade all day like stocks - making them better than mutual funds. There are more than 1,500 of them, according to ETF.com. There's an ETF for almost every industry, index, asset class, and risk-exposure play you can think of.
ETFs are modern-day magical trading tools.