The Conference Board (CB) released its leading economic index for the U.K. on Friday. The leading economic index (LEI) decreased 0.3% in September, after a 0.1% rise in August.

The coincident index was up 0.3% in September, after a 0.3% gain in August.

"Taken together, the recent growth of the LEI suggests that there is an increasing risk that the current economic expansion may moderate in early 2016," the CB said.