The bronze medals are largely copper because burnished bronze and gold are similar in color, and the mint did not want any confusion as to which medal an athlete receives.
VOA: standard.2010.02.16
The rise outpaces 0.3% gains in gold and copper, and platinum was higher earlier in the day even when gold and copper were in negative territory.
Soros also cut stakes in miners such as Nova Gold and Kinross Gold while opening a small position in Freeport McMoran, which has exposure to both copper and gold. (Note: All valuations used here represent May 17 closing prices unless noted).