Best and Worst ETFs of 2011

By Ben Steverman - 2011-12-20T03:31:39Z

Photograph by Carlo Taccari/Getty Images

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Powershares Global Clean Energy Portfolio

Total return: -35.0%

Fund company: Invesco PowerShares Capital Management

Industry focus: Environmentally friendly

Fund ticker/Total assets: PBD, $112 million

Top holdings, with 2011 total return:

Yingli Green Energy Holding (YGE:US), -55%

China Datang Corporation Renewable Power (1798:HK), -27%

Xinjiang Goldwind Science & Technology (2208:HK), -71%