Treasury prices slid as uncertainty eased over Europe.
Greece named a new prime minister Thursday, a day after markets were rattled by a breakdown in talks to replace the outgoing head of government. Italy also managed to borrow from bond investors at lower interest rates than analysts had expected.
In late afternoon trading, the price of the 10-year Treasury note fell 56.3 cents for every $100 invested. The yield jumped to 2.06 percent from 1.96 percent late Wednesday.
In other trading, the yield on the 30-year Treasury bond rose to 3.11 percent from 3.02 percent. Its price sank $1.75 for every $100 invested.
The Treasury also auctioned $16 billion in 30-year bonds at a yield of 3.19 percent. Investors placed bids for 2.4 times the amount sold.
The yield on the two-year note edged up to 0.24 percent from 0.23 percent.
The three-month T-bill paid a yield of 0.01 percent. Its discount wasn't available.