IPC The Hospitalist Co. Inc. announced on Thursday the acquisition of a North Carolina doctors group that expands its presence in the behavioral health market. The North Hollywood company, which provides doctors to hospitals and nursing homes, purchased North Carolina Elderly Psychiatric Services in Raleigh. Financial details were not disclosed. The North Carolina group will bring about 120,000 patient visits to IPC at nursing homes in Virginia, North Carolina and South Carolina. Shares of IPC closed down 25 cents, or less than 1 percent, to $43.81 on the Nasdaq. PennyMac Mortgage Investment Trust has declared a cash dividend for the fourth quarter. The real estate investment trust in Moorpark will pay 61cents a share on Jan. 16 to all shareholders of record on Dec. 30. The trust invests in residential mortgage and mortgage-related assets. Shares closed up 30 cents, or 1.3 percent, to $22.29 on the New York Stock Exchange. Ryland Group Inc. declared a quarterly dividend on Thursday. The Westlake Village home builder will pay 3 cents a share on Jan. 30 to common stockholders of record on Jan. 15. Shares closed down 1 cent, or less than 1 percent, to $36.36 on the New York Stock Exchange.