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European Union opens antitrust probe into Amazon

Amazon has the attention of regulators on both sides of the Atlantic. The European Commission has opened a formal antitrust probe into the retail giant as talk builds about breaking up big tech here in the U.S. Craig Birk, the chief investment officer at Personal Capital, talks to Yahoo Finance's Julie Hyman, Adam Shapiro and Emily McCormick about this development on the heels of Amazon Prime Day.