美国国债周四走弱，推动收益率连续第二个交易日上升，因油价上涨引发通胀担忧，且投资者关注30年期国债拍卖以寻找长期债务需求的新线索。
US Treasuries weakened on Thursday, pushing yields higher for a second consecutive session, as rising oil prices fueled inflation concerns and investors eyed a 30-year bond auction for fresh clues on appetite for long-term debt.