The greenback's gains were also limited as traders remained cautious ahead of the government's payrolls report due at 8:30 a.m. (1230 GMT) on Friday.
The dollar index was unchanged at 96.12 after rising to 96.442 on Tuesday, it’s the highest since Aug. 9. The greenback clung near a four-week peak against the yen. It was last up 0.60% at 103.61 yen.
“ #Dollar Stages Longest Rally Since March Versus #Yen on Fed Wagers” - #Bloomberg