China has moved to clamp down on excessive speculation in commodities after weeks of frenzied trading boosted prices and ignited fears of another bubble in its domestic markets.
Activity on China’s largest commodity exchanges has surged in recent days with turnover in a key steel contract exceeding the combined volume of the Shanghai and Shenzhen stock exchanges on one day last week.
Investors around the world have zeroed in on the latest trading binge as the prices of many commodities have risen sharply, with iron ore gaining almost a third in just two weeks. Cash has started to flow into raw materials in part because Chinese officials imposed curbs on equities trading last year.
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