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The $10 Hedge Fund Supercomputer That’s Sweeping Wall Street

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Photographer: Thomas Trutschel/Getty Images

It sounds like the mother of all spreadsheets: 1 million rows, 1 million columns -- 1 trillion entries in all.

Fortunately, Braxton McKee isn’t using Excel. Instead, he’s tapping into the cloud to crunch all that market data on the cheap with software he built that learns as it goes.