Omnicom Group Communication Services | S&P 500 | OMC | | 2019 - 90,414 2020 - 44,961 2021 - 50,845 Fluctuating | 2019 - 146,119 2020 - 114,901 2021 - 99,907 -32% | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - No data 2020 - No data 2021 - No data No data |