How does a market maker work?

    Published: 06-16-2009
    Views: 17,545
    Financial Advisor David John Marotta explains how a market maker works.

    David John Marotta

    David John Marotta is the President of Marotta Wealth Management, a fee-only financial planning and asset management firm in Charlottesville, Virginia. He is an oft-quoted writer and speaker on financial matters and his weekly financial column can be found at