10/17/2012 11:13 am ET Updated Dec 17, 2012

Ex-Banker Helps Two Former Flames Nearly Double Their Money On Insider Trading

Two girlfriends of former Mizuho International Plc investment banker Thomas Ammann reaped returns of more than 2 million pounds ($3.2 million) trading on illegal tips about Canon Inc. (7751)'s acquisition of OCE NV, prosecutors said.

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