Hedge fund Intelligence, a data provider, reckons the top 20 funds control a third of the industry's assets.

数据提供商hedge Fund Intelligence计算出规模最大的20只基金控制了这个行业三分之一的资产。

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In 2008 managed-futures funds (the class into which AHL falls) returned an average of 18.2% while the typical fund of hedge funds lost 19.8%, according to Eurekahedge, a data provider.

根据数据供应商eurekahedge, 2008年托管期货基金(AHL属于此等级)平均收益率为18.2%，而典型对冲基金则损失了19.8%。

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The average hedge fund returned 19 per cent to investors in 2009, according to Chicago-based data provider hedge fund Research.

芝加哥对冲基金研究公司(Hedge Fund Research)的数据显示，2009年，对冲基金带给投资者的平均回报率为19%。

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The top decile of managers has served up returns of over 30% in the past year, according to Hedge Fund Research, a data provider.

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