MetLife Inc. said on Wednesday that its stable value funds ended last year with more than $20 billion in assets under management, a $1.4 billion increase over year-end 2003.

Stable value products seek to preserve principal, and are therefore similar to money market funds. However, stable value funds have historically posted substantially higher returns and are comparable to high-quality, intermediate term bonds, but with lower volatility.

"For the second straight year, MetLife has posted a very strong sales record for our stable value solutions. Our financial strength and innovation are key differentiators for MetLife in the stable value market," said Sherif Zakhary, vice president, MetLife Retirement & Savings.

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