The index, however, remained within striking distance of a nearly 11-month high of 107.34 reached in the previous session.
The Japanese currency was last flat at 149.06 per dollar, after unexpectedly surging nearly 2% at one point on Tuesday to 147.30, its strongest level in three weeks.
The Bank of Japan's money market data showed on Wednesday that Japan likely did not intervene in the currency market a day earlier.
Sterling climbed 0.3% to $1.2112, rebounding after falling to a nearly seven-month low of $1.20535 in the previous session.
The decision sent the kiwi sliding more than 0.2% to a nearly one-month low of US$0.5871.
Persons:
Helen, Masato Kanda, James Malcolm, Sterling
Organizations:
U.S ., ADP, U.S, Monex USA, Tokyo, Analysts, UBS, Federal Reserve, greenback, New Zealand
Locations:
U.S, Washington, Japan