Jefferies Group LLC is an American multinational independent investment bank and financial services company that is headquartered in New York City. The firm provides clients with capital markets and financial advisory services, institutional brokerage, securities research, and asset management. This includes mergers and acquisitions, restructuring, and other financial advisory services. The Capital Markets segment also includes its securities trading (including the results of its indirectly partially owned subsidiary, Jefferies High Yield Trading, LLC) and investment banking activities.