Ex-JPMorgan Trader Martin-Artajo Challenges Regulator
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Javier Martin-Artajo, the former JPMorgan Chase & Co. banker fighting U.S. extradition from Spain over trading losses that surpassed $6.2 billion, is challenging the U.K. financial regulator in London.
Martin-Artajo, who oversaw synthetic credit trading at the bank’s chief investment office in London, filed the case against the U.K. Financial Conduct Authority at a tribunal last week, according to the court’s website. No other details about the claim were available.