CME Group Inc. (CME:US) fined Whiteside Energy LP $225,000 after a trader at the Houston-based firm left an automated trade execution system unattended, contributing to disruptive price movements in the July 2011 natural gas contract.
Steven Vu, a trader with Whiteside, was fined $25,000. Both Whiteside and Vu agreed to the fines without admitting or denying CME’s findings, CME Group said.
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