Like our favorite brokers listed above, all of these online brokers except Interactive Brokers offer no-commission stock trading (though other fees apply). TD Ameritrade has multiple trading platforms and offers free advice from elite stock market professionals. Fidelity features stock scoring, equity trading, and the option to buy fractional shares. Charles Schwab sells fractional shares too, grades stocks as A-F, and offers a gain/loss analyzer. Stock trading with Interactive Brokers costs $0.005/share but traders can earn interest on shares by loaning them to traders who short.