IPG was top-performing global agency stock in 2021 (Getty Images/SOPA Images)
Interpublic was the top performer of the global agency holding companies on the stock market in 2021, with a 59% rise in its share price.
A Campaign analysis of Bloomberg data shows a strong recovery from the pandemic drove up share prices by double-digit percentages across the agency sector last year after the advertising slump in 2020.
IPG, which reported organic revenue growth during 2021 that was well ahead of 2019 levels, saw a 59% increase in its share price to $37.60 and the US-listed group ended the year with a va
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