LONDON, Nov 8, 2018 - (ACN Newswire) - UK adspend rose 6.4% year-on-year to reach GBP 5.6bn in Q2 2018 - the 20th consecutive quarter of market growth. Coupled with an overall adspend rise of 7.2% year-on-year during the first half of 2018, to a total of GBP 11.4bn, this was both the strongest second quarter and first half since 2014.