DOJ looks at market dominance historically, says expert

Jason Helfstein of Oppenheimer, Ed Lee of the New York Times and Andre Barlow, former Department of Justice attorney, join CNBC's "Power Lunch" team to discuss how shares of Amazon, Google and Facebook were down Monday after reports that U.S. antitrust regulators have a new oversight agreement.
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Mon, Jun 3 20192:25 PM EST