Treasury yields slipped Tuesday as U.S. and Chinese officials resumed trade negotiations in London for the second day.

The 10-year Treasury yield

was down almost 3 basis points to 4.456% at 3.30 a.m. ET. The 2-year yield

slipped around one basis point to 3.993%. The 30-year yield was lower by 3 basis points to 4.921%.

One basis point equals 0.01%. Yields and prices move inversely in the bond market.