Exchange-traded funds (ETFs) are revolutionizing the investment industry. From their introduction in 1993, ETFs have expanded exponentially over the past fifteen years. You, as an informed investor, need to know what makes ETFs unique, how they work, and which funds may help you achieve your financial goals. The updated edition provides the most current look at the ETF market, where the number of funds has doubled since the book first published in December 2007. A huge number of bonds funds, commodities funds, currency funds, leverage and short funds have been introduced. In addition, actively