Norway just raised the stakes over deep sea mining
The Jan. 9 determination makes Norway the first country to formally authorize seabed mining activities in its waters.
The Shanghai Futures Exchange (ShFE) will lower margin requirements and trading limits for base metals, stainless steel and silver from April 6, it said on Tuesday.
Margin requirements for copper and aluminum will be lowered from 12% to 9%, while that for nickel will be lowered from 19% to 12%, according to the exchange.
(By Albee Zhang, Siyi Liu and Dominique Patton)
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