For Samel, having that breadth of performance was crucial to representing the diverse crowd that is Occupy Wall Street.

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There was a famous ad in which a kid walks through the schoolyard representing Fletcher, and a follow-on ad in which a little girl in pigtails representing Northup, joined the crowd.

NPR: Richardson's Candidacy and Goodling's Testimony

Addressing them from the crane, Tunick told the crowd he saw the port as representing the mystery of commerce, the AFP news agency reports.

BBC: Volunteers pose on the waterfront in Lyon

Many other traders, including those representing the much vilified high frequency trading crowd, support the same argument.

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