NEW YORK Sterling advanced on Thursday as campaigning for Britain's vote on whether to leave the European Union was suspended following the murder of a British lawmaker, while U.S. stocks cut losses.
British Member of Parliament Jo Cox, who was shot dead in the street in her constituency in northern England earlier in the day, had been a vocal supporter of Britain remaining within the EU.
Whether Britain will leave the European Union, dubbed "Brexit," is an issue that will be decided in a referendum next week and could undermine decades of European integration and stoke global economic uncertainty.
"Certainly, people are talking about the possibility that this does influence the Brexit vote in favor of remain. It is a tragic event all around. There is a sense, there is an immediate emotional reaction, but there is still a week before the referendum itself" on June 23, said Alan Ruskin, global co-head of FX research at Deutsche Bank in New York.
The British pound hit a U.S. trading high GBP= after the news, and was last up slightly at $1.4207.
Rival referendum campaign groups in Britain said they were suspending activities for the day and Prime Minister David Cameron said he would pull out of a planned rally in Gibraltar, the British territory on the southern coast of Spain.
U.S. stocks, which had tumbled earlier on global growth worries, cut losses and the Dow briefly traded higher.
The Dow Jones industrial average .DJI was up 17.67 points, or 0.1 percent, at 17,657.84, the S&P 500 .SPX lost 2.41 points, or 0.12 percent, to 2,069.09 and the Nasdaq Composite .IXIC dropped 10.81 points, or 0.22 percent, to 4,824.12.
The European FTSEurofirst 300 index .FTEU3 closed down 0.5 percent.
Oil prices slumped about 3 percent and were down a sixth straight day as the dollar's rally on fears of Britain's exit from the EU hammered commodities priced in the currency.
Data showing U.S. crude stockpiles fell less than expected also weighed on oil prices. Brent crude futures LCOc1 were down $1.52 at $47.45, while U.S. crude futures CLc1 were down $1.61 at $46.40.
Yields on most U.S. Treasury yields rose to session highs after British campaigning for the Brexit vote was suspended following MP Cox's death.
Yields on benchmark 10-year Treasury notes US10YT=RR rose to a session high of 1.581 percent, after earlier falling to 1.518 percent, the lowest level since August 2012.
(Additional reporting by Dan Bases and Chuck Mikolajczak in New York; Vikram Subhedar and Atul Prakash in London; Editing by Nick Zieminski and Bernadette Baum)
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