But as the steep gains were lifting traders, the Financial Services Authority ordered banks, hedge funds and oil traders to attend a meeting next week on commodity market manipulation.
"We do not believe the commission intends to increase the threat of commodity price manipulation, yet its proposal would do so".
A federal judge in New York has allowed some claims of commodity price manipulation to proceed, although she rejected others because reports of possible problems in the Libor market, starting in 2007, meant that the statute of limitations had expired.
He contends that Republic, with the coöperation of the government, scapegoated him for its own shady practices and to derail his investigation into manipulations of the commodities markets.
Mr Sarao, who has been dubbed the "Hound of Hounslow", is fighting extradition to the US where he faces 22 charges including wire fraud, commodities fraud, market manipulation and "spoofing" – the practice of bidding or offering with the intent to cancel the trade before actually executing the deal.
Moreover, in the commodities markets, price manipulation isn't limited to precious metals.
Macarthur had long been in conflict with Bligh over the disposition of grazing land for Macarthur's sheep and Macarthur's attempted manipulation of commodities prices.
All legal options for Sarao in the UK have been exhausted and he must stand trial in the US on 22 counts of wire fraud, commodities fraud and market manipulation carrying a maximum combined sentence of 380 years' imprisonment.
Navinder Singh Sarao, 36, has been charged with wire fraud, commodities fraud and market manipulation by the US Justice Department (DOJ).
The US Department of Justice wants to extradite Navinder Singh Sarao, 36, on charges of wire fraud, commodities fraud and market manipulation.
