Flamboyant copy legend who penned the 1987 Chivas Regal ad remembered
French advertising giant quashes rumours of a deal with its struggling British rival
Ad giant's stock jumps 5.5 per cent as takeover speculation swirls around KKR and Apollo buyout
Havas eyes stake in battered rival WPP as consolidation fever grips Madison Avenue.
Two American law firms pile on as shares crater 18 per cent after profit warning
