By Rupert Hargreaves Advertising and media giant WPP reported a 2.1 per cent increase in like-for-like revenue for the first quarter of the year, according to a statement published today. The company said revenue growth in the UK and Western Continental Europe was offset by declines in North America and Asia Pacific, which saw strong growth in India offset by a decline in China. While the company took on a number of new clients during the period, including Astrazeneca, Canon and Rightmove, it said “the loss of assignments at a healthcare client and reduced spend at technology companies,” hit i…