Markit Services PMI is due at 10:30 (GMT+2). The indicator is expected to grow to 53.9 points in August from 53.5 points a month earlier. This indicator assesses the economic situation in the service sector. It is based on a survey of executives of companies working in this field. Values above 50 are perceived as a positive signal and strengthen GBP. Values below 50 are perceived as a negative signal and call for decreasing GBP rate.