In general, 2010 has been a pretty solid year for most portfolios. Despite lingering concerns about unemployment and mounting debt burdens, most global equity markets have moved higher on the year. Commodity markets have been red hot, with prices of many natural resources climbing to new highs thanks to strong demand from emerging markets and a shaky dollar. And while bonds have shown exceptional volatility during the last 12 months, many fixed income securities have managed to deliver at least modest gains as well. But there have, of course, been some disappointments this year as well. Below, we offer up some potential inspiration for contrarian investors: a list of ten of the worst performing ETFs of 2010. Performance data is as of December 21, and this list excludes all leveraged and inverse funds, as well as any ETFs that began trading during the year: 10. iPath EUR/USD Exchange Rate ETN (ERO): -9.0% This [...] Click here to read the original article on ETFdb.com.