| From Dow Jones: The increased activity of the speculative community in commodities has a strong impact on price volatility, the chief executive of Rio Tinto PLC (RIO) said Thursday.
Speaking on a conference call to analysts, Tom Albanese said just as there has at times been a "mad rush" to get into commodity markets through investment vehicles like exchange-traded funds, there will more than likely be a corresponding rush to get out..............................................Full Article: Source
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