Homeowners aren’t alone in experiencing buyers’ remorse in today’s troubled marketplace. Private equity firms, too, are finding out their recent investments might not be worth what they paid for them.

Gone are the days when buyout shops could purchase a company, pile on debt for an initial fat payout for themselves and then quickly flip it for a big profit. The credit crisis has put a freeze on debt-laden deal making and is causing bond investors to shun the risky debt used to finance the takeovers.