US financial markets were closed on Monday for a public holiday, but weakness in other major currencies and a slight rise in US Treasury yields in Asia helped the dollar index rise. Photograph: Justin Lane/EPA

Sterling sank to a three-year low below $1.20 on Tuesday as prime minister Boris Johnson’s implicit threat to lawmakers to support him on Brexit or fa(...)

The single currency slumped nearly 1.9 per cent on Thursday, its largest one-day fall since Britain’s June 2016 Brexit vote shock. Photograph: iStock

The euro on Friday was headed for its worst weekly loss in 19 months after a cautious European Central Bank signalled it will keep interest rates at r(...)

Stock prices  in Australia react to the US presidential election first results as vote counting continues. Photograph: Paul Miller/EPA

The US dollar, Mexican peso and world stocks fell on Wednesday as Donald Trump swept to victory in the US presidential election, but fears of a Brexit(...)

Traders work on the floor of the New York Stock Exchange (NYSE) at the start of the trading day in New York. Photograph: Andrew Gombert/EPA

European shares rallied on Thursday after China’s central bank said there was no basis for further yuan depreciation after a devaluation this week tha(...)