Publicis expects a tricky year

Ad agency Publicis finished 2012 on a high note as sales got a big bump from emerging markets and on-line marketing, yet it warned yesterday that the year ahead would be difficult, especially in Europe. The group, which competes with larger rivals WPP and Omnicom, posted organic growth of 3.9 per cent in the fourth quarter and sales of €6.61bn (£5.7bn), recovering from a sharp slowdown in advertising spending in September