Among the majors it was the NZ dollar and British pound that shared the win for the week. Both strengthened by an average of 1% against the other ten most actively-traded currencies and the Kiwi picked up one and a half US cents. Their individual performances had nothing in common. The NZ dollar's strength was the result of economic data on Tuesday and Wednesday that showed rising milk prices and employment. The number of people in work went up by 1.4% in the third quarter and unemployment fell to 4.9%.

Sterling's main gains came after the Bank of England upgraded its growth forecasts and the high court decreed that activation of Article 50 - the process of leaving the EU - will need the approval of parliament. It left investors feeling more upbeat about the UK economy's prospects when the country does eventually split from the European Union.