ACCC attacks Mastercard witnesses' credibility in antitrust trial
By Saloni Sinha ( June 2, 2026, 08:30 GMT | Insight) -- Mastercard's key witnesses gave evidence that was unreliable and contradicted by the company's own internal documents, the Australian competition watchdog told the Federal Court on Tuesday as it continued closing arguments in a landmark antitrust trial. Lawyer James Arnott, acting for the Australian Competition & Consumer Commission, used his closing arguments to target the credibility of Mastercard's key witnesses, including current executive Surin Fernando and former employee Chris Ponton Dwyer.Mastercard's key witnesses gave evidence that was unreliable and contradicted by the company's own internal documents, the Australian competition watchdog told the Federal Court on Tuesday as it continued closing arguments in a landmark antitrust trial....
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