The group's principal activities are to provide agency and other brokerage services to brokers, dealers and institutional customers worldwide. The group operates in a financial marketplace where buyers and sellers worldwide can trade securities directly with each other, gain price improvement for their trades and lower their overall trading costs. The customers can also access securities markets throughout the world, including Nasdaq and the nyse stock exchanges in different parts of the world. The group's customers consist of institutional investors such as mutual funds, pension funds, insurance companies, hedge funds and brokers-dealers. The group's revenues consist primarily of transaction fees generated by its securities brokerage and related services.