NEW YORK, July 21 (Reuters) - Express Scripts Inc will buy rival Medco Health Solutions Inc for $29.1 billion, creating a U.S. powerhouse in managing prescription drug benefits that is sure to draw ...

(Reuters) - The chief executive officers of Medco Health Solutions Inc and Express Scripts Inc will tell a U.S. Senate subcommittee that merging the pharmacy benefit managers will wring out wasteful ...

Shares of Express Scripts Inc. and Medco Health Solutions Inc. tumbled Monday after the news service Reuters reported that "key people" at the Federal Trade Commission are seeking to stop Express ...