WPP set to be relegated from FTSE 100 after nearly 30 years

Market value of advertising group that was once world’s largest plummets from about £24bn in 2017 to £3.1bn WPP is set to be relegated from the FTSE 100 after nearly 30 years, as the advertising multinational struggles to stem an exodus of clients and match the artificial intelligence and data capabilities of rivals. WPP, once the world’s largest advertising group, has seen its market valuation plummet from about £24bn in 2017 to £3.1bn.