Sterling rose against the US dollar in morning trading after the second reading of the UK's economic growth rate confirmed an increase of 0.8% in the third quarter, in line with analysts' expectations.
Growth in the US will be 3% next year, predicts UBS chief investment officer Bill O'Neill, the best rate of expansion for the country since the 2008 financial crisis.
UK GDP growth was 0.8% in the third quarter of the year, according to the first estimate from the Office for National Statistics (ONS).
Bank of England Governor Mark Carney has promised to keep interest rates lower for longer, ahead of the release of UK GDP growth data for the third quarter.
China's economic growth accelerated for the first time in three quarters in Q3, as the country opted for an immediate boost to GDP by ramping up factory output.
Prime Minister David Cameron has pledged to continue cutting taxes for what he calls the "hardworking people in our country".