President Donald Trump flew overnight to the World Economic Forum in Davos, Switzerland, where he will push his "America First" agenda and seek more fair, reciprocal trade between the United States and its allies.

The dollar slumped after US treasury secretary Mnuchin told the WEF in Davos on Wednesday that "a weaker dollar is good for us as it relates to trade and opportunities"

David Cameron orchestrated the vote on June 23, 2016, in which the country chose to leave the EU, despite himself backing the campaign to remain in the bloc.