- Continuing Brexit uncertainty keeps pound near 20-mth lows
- Long-term US yields rebound from 3-mth lows, support dollar
- Graphic: World FX rates in 2018 http://tmsnrt.rs/2egbfVh
The dollar held near a one-month high against its peers on Wednesday, supported by a rebound in U.S. yields and weakness of the pound as its battering from uncertainty about Brexit continued.
The greenback was lifted as long-term U.S. Treasury yields bounced from three-month lows.
The dollar index .DXY versus a basket of six major currencies stood at 97.420 after rising overnight to 97.545, its highest since Nov. 13.
"In addition to higher Treasury yields, the weakening pound is providing a key boost to the dollar," said Yukio Ishizuki, senior forex strategist at Daiwa Securities in Tokyo.
"With Brexit talks seemingly headed towards a dead end, this has been a golden opportunity for speculative market players to short the pound."
Sterling took a big hit at the start of this week after British Prime Minister Theresa May delayed a parliamentary vote on her Brexit deal.
The pound GBP=D4 suffered further on Tuesday on media reports that May's parliamentary colleagues believed they had sufficient numbers to mount a no-confidence vote in her leadership.
The British currency was little changed at $1.2495 after dropping to $1.2480 overnight, its weakest since April 2017. The currency has lost 1.8 percent this week.
The euro was a shade higher at $1.1333 EUR= after shedding 0.3 percent the previous day.
The dollar was a shade higher at 113.49 JPY= after touching a one-week peak of 113.52.
China's yuan was firmer in offshore trade CNH=D4 at 6.886 to the dollar, extending gains from the previous day.
The yuan firmed on Tuesday on news that Beijing and Washington were discussing the next steps in their trade talks.
U.S. President Donald Trump on Tuesday told Reuters he would intervene in the Justice Department's case against a top executive at China's Huawei Technologies HWT.UL if it would serve national security interests or help close a trade deal with China.
The Australian dollar, a gauge of broader risk sentiment, was up 0.35 percent at $0.7228 AUD=D4 .
The 10-year Treasury note yield US10YT=RR inched up to 2.889 percent after rising more than 2 basis points on Tuesday.
The yield had dropped to a three-month low of 2.825 percent at the start of the week, with dovish comments from Fed officials and soft U.S. data further reinforcing views of a slowdown in the tightening cycle.