Goldman Sachs initiated coverage of WPP, Publicis, and Omnicom on Wednesday, rating WPP a 'sell' and the other two European holding companies as 'buy,' arguing WPP faces mean reversion risk.
ReadingThis is the sell-side's first major pivot on the holding-company sector in 18 months. If other banks follow Goldman's lead, WPP becomes the short candidate and Publicis the hedge. Clients watching their agency valuations should note which way their stock is drifting.
WatchOmnicom and Publicis earnings guidance on organic growth and margin expansion. If both deliver, expect further downgrades to WPP relative valuation.