UPDATE 1-Advertising agency Havas posts Q2 sales growth of 5.5 pct
August 27, 2015 at 13:11 PM EDT
PARIS, Aug 27 (Reuters) - Advertising agency Havas saw 5.5 percent growth in like-for-like sales in the second quarter driven by North America and Europe, outpacing larger rivals such as WPP and Publicis.