Explosive growth in the ETF market has led investors to question how to profit from these relatively new investment vehicles. Morningstar, the global leader in investment research, can help you answer that question. This annual guide includes full-page reports on the 150 largest and most popular ETFs. In addition, you'll find dozens of pages of editorial guidance dedicated to revealing the advantages and disadvantages of ETFs, explaining how to use ETFs in a portfolio, gauging which ETFs track the slice of the market you want, and much more.