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The senior broker at PVM Oil Futures spent $520 million of his client’s cash on oil futures contracts throughout the night during a “drunken blackout”. The US Financial Services Authority found out about while investigating a mysterious oil price spike on June 30, 2009.

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But regulators took pity on the unfortunate Perkins, promising to re-approve his license in five years, if he stays sober, although they warned that, “Mr Perkins poses an extreme risk to the market when drunk.”