Reductions in net-long positions were seen in silver and the platinum group metals, while speculators massively increased their net-short position in copper.

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For example, it might buy platinum and sell silver, or buy a thirty-year U.K. bond and sell a ten-year bond.

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On the green front, all steel-framed Connect:Homes are designed to attain LEED Silver certification out the door, with Gold and Platinum certification and net-zero energy status a possibility depending on additional bells and whistles added at the installation site.

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Some sessions will focus specifically on silver and the platinum group metals, including future trends in off-road engine demand for platinum and pressures faced by producers.

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The Zevco fuel cell uses an efficient, silver-based catalyst to promote the electricity-producing reaction, instead of a traditional platinum one.

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To create the metal rubber, layers of non-conducting polymers are alternated with layers of metal ions, such as gold, silver or platinum.

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The large-spec net long also fell for silver, but increased slightly for the industrially oriented precious metals of platinum and palladium.

FORBES: CFTC: Large Speculators Cut Gold Net Length As Traders Add Short Positions