On Friday, at 4:30 am Eastern Time, the Office of National Statistics will publish preliminary data on UK GDP for the first quarter. According to forecasts, in the first quarter the economy expanded by 0.3 percent. On the eve of publication of the data, the pound fell against its main competitors. As of 4:25 am ET, the pound was trading at 151.79 against the yen, 1.3763 against the franc, 1.3881 against the US dollar and 0.8697 against the euro.