Interpublic Group

Siobhán Molloy will retain links with global Weber Shandwick network despite buyout

Dublin market underperforms, with Paddy Power, Glanbia and CRH all lower

Social media group gets 82% of its advertising from phones

Firm said clients generally remained cautious due to uncertain global outlook

Advertising giant records net sales growth of 3.5% in American market

World’s third largest ad agency bids to get back on track after failed merger

Failure of planned merger contributes to advertising group’s Q2 slowdown

The merger of Omnicom and Publicis signals that advertising is now firmly in the business of Big Data

New Publicis Omnicom Group expects to generate efficiencies of about $500m

Analysis: Publicis and Omnicom are billing the merger as ‘a powerful solution’ for clients