WORLD – Global organiser UBM again attributed a drop in revenue to a “strong currency headwind” in its 2014 half-year results. In a summary of results for the six months ended 30 June 2014, the firm said that revenue fell to £361.0m from £391.8m. But on a constant currency basis revenue was up 0.3 per cent, underlying revenue growth was 2.0 per cent, w...