what is the best online brokerage account?
['TD Ameritrade - Best for overall and beginners.', 'Fidelity - Best research experience.', 'Charles Schwab - Best for IRA accounts.', 'E*TRADE - Best web platform.', 'Interactive Brokers - Best for professionals.', 'Merrill Edge - Best rewards program.', 'TradeStation - Best platform technology.']