Financial services, namely voice and electronic interdealer brokerage in the field of a wide range of securities products to the wholesale market for such securities, namely US Treasury products, GSE Agencies, US mortgages, Money market instruments, Euro-Government Bonds, Eurozone and US Repurchase Agreements, Credit Derivatives, Interest Rate Derivatives and other OTC Derivative instruments, Foreign Exchange Spot, Foreign Exchange Forwards, US Corporate securities, US Municipal securities, Equity instruments, Equity Derivatives, and Energy products inclusive of Oil, Power, Natural Gas and Coal