Also

* Coast Plaza Doctors Hospital, a 123-bed acute care facility in Norwalk, said it would pay the U.S. government $4.1 million to settle a dispute with the Department of Health and Human Services regarding questionable Medicare reimbursements. Coast Plaza said it admitted no liability in the case.

* Hewlett-Packard Co., the world’s second-biggest computer maker, agreed to acquire Novadigm Inc. for $116.5 million and closely held Consera Software to expand its software products for managing data centers.