The dollar firmed versus most major counterparts on Wednesday, while the yen slid as strong Wall Street earnings reports eased investors' appetites for safe harbor assets.
The dollar index ticked up 0.14 percent to trade at 95.18.
The U.S. currency stayed at 112.34 yen, a rise of 0.07 percent versus its Japanese peer.
Sterling slipped 0.1 percent to $1.3175, after climbing 0.25 percent in the previous session.
The euro edged down 0.1 percent to $1.1560 after touching $1.1622 on Tuesday - its top since Oct. 1.
The New Zealand dollar was stable at 0.6589 on Wednesday after stronger-than-expected domestic inflation figures.
The Aussie inched 0.07 percent lower to $0.7135.
Gold sank 0.16 percent to $1,223 per ounce. The bullion scaled its highest mark since July 27 on Monday, touching an intra-day peak of $1,233 per ounce.