 LAKE ZURICH, Ill.--BUSINESS WIRE--ACCO Brands Corporation NYSE: ACCO today announced that it has closed the acquisition of PowerA, a leading provider of third-party video gaming controllers, power charging solutions and headsets. PowerA has a multi-year track record of partnering with the leading gaming platforms and title publishers in the console gaming industry. The addition of PowerA represents a major step in our continuing strategy to transition the company into a faster growing, con 