U.S. Treasury yields moved lower on Tuesday, extending Monday's declines for long-dated government debt.

The yield on the benchmark 10-year Treasury note dipped 2.3 basis points to 1.612% in afternoon trading. The yield on the 30-year Treasury bond fell 4.5 basis points to 2.04%. Yields move inversely to prices and 1 basis point is equal to 0.01%.