Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Three PBMs -- CVS Health Corp (CVS.N), Cigna Group's (CI.N) Express Scripts and UnitedHealth Group's (UNH.N) Optum RX -- together control 80% of the U.S. prescription drug market.