 Centene Corp. CNC, 1.79 said late Thursday it has agreed to sell its Magellan Specialty Health benefit-management business to Evolent Health Inc. EVH, 0.21 for 750 million, lauding it as a milestone in the health insurers value creation program and ongoing portfolio review. Centene bought Magellan Specialty Heath in January as part of its acquisition of Magellan Health, Inc. Upon the deals closing, Centene and Evolent plan to launch a national multi-year partnership, the company said. 