BUSINESS
10/31/2012 09:51 am ET Updated Dec 31, 2012

JPMorgan Chase Sues Javier Martin-Artajo, London Whale's Boss, Over Trading Loss

JPMorgan Chase & Co. (JPM) sued the executive responsible for supervising Bruno Iksil, the trader nicknamed the London Whale for market-moving wagers at the division responsible for a $6.2 billion trading loss.

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