Why Fidelity has jumped on the commission-free trading trend

Fidelity announced that it will offer zero commissions on U.S. stocks, ETF's and options trading. This is the latest brokerage to do so, after TD Ameritrade, E-Trade, Charles Schwab and others made similar announcements the past few weeks. Kathleen Murphy, president of personal investing at Fidelity, joins "Squawk Box" to discuss the company's stand apart model and the evolving fee system for brokers.
Fri, Oct 11 20197:26 AM EDT