10 High-Powered ETFs That Nobody Wants By: CNBC.com News August 24, 2011 at 14:33 PM EDT There are at least 10 exchange-traded funds that have gained more than 40 percent so far this year. Too bad nobody's buying them. Read More >> Related Stocks: 20+ Year Trsy Bull 3X Direxion ETF 7-10 Year Treasury Bull 3X Direxion ETF DB Gold 2X ETN Powershares Physical Silver ETF Ultra 20+ Year Treasury 2X ETF Ultra Gold 2X ETF