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Why Wall Street could go to jail Corporate officers were making reassuring statements about financial prospects just days before Armageddon hit their companies -- and investors' portfolios. Here's some prominent cases. More
Estimated endorsement income for 2007 among American pro athletes. More
21 Dumbest Moments in Business 2008 We don't know whether to laugh or cry. Our annual list of the year's most laughable moves proves that, even in moments of crisis, stupidity lives on. More

The 35 largest U.S. private companies

Some of the biggest names in business operate outside the public markets. Here's a look at the top players.

Power List: Where the private equity money is Fortune's exclusive look at the country's most powerful buyout firms. (more)
10 private-equity deals gone bustWhen the liquidity is flowing like wine, every deal looks like a perfect ten. But a lot can - and has - gone wrong. (more)
The year of the vultureThe private equity firms that will thrive in the year ahead are those that know how to profit from others' misfortunes. (more)
Koch: From Dixie cups to dieselWith $98 billion in estimated sales, Koch Industries tops Fortune's list of private companies. (more)video
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