(Bloomberg) — Bankrupt Steward Health Care System won court approval to sell its managed-care business for $245 million and said it’s close to finalizing sales agreements for most of its Massachusetts hospitals.Most Read from BloombergManchester Is Giving London a Run for Its MoneyBoston’s Broke and Broken Transit System Hurts Downtown RecoveryA Floating Island in Baltimore Raises Hope for a Waterfront RevivalA Warehouse Store Promises Housing for South LA, in BulkThe Cross-Continental Race Usi