Piramal Enterprises Ltd.’s U.S. subsidiary has entered into an agreement to acquire Ash Stevens Inc., a U.S. based CDMO in Riverview, MI, for $43 million in cash plus an earn-out consideration of $10 million. The transaction is expected to be completed by the end of August.   Ash Stevens has 60,000-sq.-ft. facilities, eight chemical drug development and production labs, and six full-scale production areas. The Riverview manufacturing facility features engineering and containment controls for t...