Last fall, United lost $100 million in one month on its mortgage-backed securities.

The company also holds about $3 billion in mortgage-backed securities.

This is the first mortgage-backed security made of ordinary mortgages.

Mortgage-backed securities are another area of concern in a rising interest rate environment.

She also worked handling mortgage-backed securities as a financial firm.

The bank said that it had losses in mortgage-backed securities.

Much of the debt that would be raised is expected to come from the commercial mortgage-backed securities.

And the fourth would be the portfolio of mortgage-backed securities.

"The likelihood of being hurt with mortgage-backed securities is not that great."

The companies will not register their debt- and mortgage-backed securities.