25
March
Gold, Silver, Copper Trading Limits Weighed by U.S. Commodity Regulator
25 March 2010 Bloomberg.com

U.S. regulators are considering limits on how much of the market for metals including gold and copper that speculators can control after last year’s financial crisis spurred record swings in prices.
http://www.bloomberg.com/apps/news?pid=newsarchive&sid=aFFxtYi1oUWM