By Jess Jones Big-ticket advertising campaigns, including those on television and radio, are making a comeback as the UK’s economy continues to improve. Marketing budgets have experienced their largest upward revision since the first quarter of 2014, according to the latest IPA Bellwether report released today. After a minor dip in thefirst quarter, the total balance for main media budgets rose to 3.5 per cent in the second quarter, driven largely by growth in online and video advertising. The data revealed a jump in the net balance of UK businesses expanding their total marketing budgets from…