Pursuits

Mortgage-Bond Price Tumble Signals New Risks in Markets

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Prices of a new type of U.S. mortgage bonds are plunging this month, teaching investors a lesson on the risks to markets wrought by the growing constraints on Wall Street banks.

The $8.2 billion of risk-sharing securities sold in the last year by government-controlled Fannie Mae and Freddie Mac can shift their losses from homeowner defaults to bond buyers. One slice of a deal issued in May traded at 95.7 cents on the dollar yesterday, down from 99.7 cents at the end of last month, according to Trace, the bond-price reporting system of the Financial Industry Regulatory Authority.