U.S. Treasury yields declined on Wednesday, tentatively retreating from a sell-off that spurred a flight from U.S. assets on Tuesday, as fresh tariff threats ignited renewed 'sell America' trade fears. At 4:30 a.m. ET, the benchmark 10-year Treasury yield was lower by over 2 basis points to 4.27% — it topped 4.3% at the high of the day on Tuesday. The 30-year Treasury bond was also 2 basis points lower, at 4.896%. The 2-year Treasury note yield was 1 basis point lower to 3.584%. One basis point