Borrowers rush to market ahead of possible Fed move.

Decline reflects pullback by money-market funds amid low rates.

Decline reflects pullback by money-market funds amid low rates.

AIG sells debt maturing in 40 years, FedEx issues 50-year bonds.

AIG sells debt maturing in 40 years, FedEx issues 50-year bonds.

U.S. companies are expected to issue more euro-denominated debt in 2015 than at any other time since 2007.

U.S. companies are expected to issue more euro-denominated debt in 2015 than at any other time since 2007.

As traders speculate rates won't rise till December 2015, Treasuries' yields fall most in five years.