WORLD – Events made up 48.9 per cent of exhibition and conference organiser United Business Media’s (UBM) adjusted operating profits for the first half of 2010, fractionally up from the same period last year. Revenues from events, covering exhibitions and conferences, rose by 1.5 per cent and adjusted operating profit rose by 7.7 per cent. Margins rose 1.6 points to 29.2 pe...