Human resources selection, financial trading acquisition, accounting merger.

North

Human resource outsourcing provider Automatic Data Processing Inc., in Roseland, announced Thursday Baltimore-based Mercy Medical Center has selected its human capital management solution to achieve greater efficiencies in human resources and reduce costs.

Central

Online trading services firm Gain Capital Holdings Inc., in Bedminster, announced Thursday it has agreed to acquire the United States-based retail foreign exchange market trading business of GFT, in Grand Rapids, Mo., to grow its client base. Terms were not disclosed.

South

Public accounting firm Capaldi Reynolds & Pelosi P.A., in Northfield, announced Thursday it has merged with the nongaming practice of consulting firm Morowitz & Co. LLC, in Galloway, to expand its practice.