Financial services in the field of exchange-listed securities; stock exchange services and electronic stock exchange services, namely, acting as a broker dealer of securities, namely, stock exchange price quotations; broker-dealer services, namely, equities, bonds, stocks, commodities and futures brokerage services, mutual fund brokerage, brokerage of shares of stocks and other securities, investment brokerage services, and institutional equity and fixed income instrument brokerage; brokerage in the field of stocks and commodities