Getco Holding Co. LLC, based in Chicago, is owned mainly by its partners and executive team. Its only outside investor is General Atlantic, a private equity firm based in Greenwich, Conn. General Atlantic bought a minority equity interest in Getco in 2007.
Knight shares rose 45 cents, or 15.2 percent, to close at $3.42 Wednesday. It traded around $13.50 earlier this year, but scraped bottom at $2.24 after the August disruption.
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Daniel Wagner can be reached at www.twitter.com/wagnerreports.
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