Ampac Fine Chemicals, a U.S.-based contract development and manufacturing organization (CDMO), has been sold to SK Holdings, an investment holding company of conglomerate SK Group of South Korea. According to the company, it is the largest M&A transaction to date in the Korean pharmaceutical industry. The Korea Herald said SK is paying $455 million for Ampac. Established in the 1990s, Ampac Fine Chemicals (AFC) is a global supplier of high value-added active pharmaceutical ingredients (AP...