It is no secret that investors of all stripes have struggled to beat the market since the financial crisis. The majority of hedge funds, for instance, have trailed both global stocks and bonds since the start of 2010, meaning that they have not added value to the simplest of portfolios.

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Mutual funds are not performing as badly as last year, when just 27 percent offered better returns than the benchmark they choose to track, according to research group Lipper. But, again, the majority still trail in 2012.