Ex-UBS Trader Was Spoofing ‘Mentor’ on Precious Metals Desk

  • Former junior trader tells jurors he learned from Flotron
  • Government says high-speed firms were victims of abuse
Photographer: Stefan Wermuth/Bloomberg
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Sometimes the student becomes the teacher -- or a cooperating witness.

A protege of former UBS Group AG precious metals trader Andre Flotron testified against his onetime mentor on Tuesday, telling jurors that his veteran colleague instructed him in the finer points of an illegal tactic known as "spoofing" in futures markets.