JPMorgan owned bags of material kept in a Dutch warehouse that were supposed to contain nickel but turned out to be full of stones

[apple459721]

https://www.wsj.com/livecoverage/st...-turned-out-to-be-stones-whWn9TqZaksdTPcGyyAihttps://www.bloomberg.com/news/arti...tually-bags-of-stones?leadSource=uverify wall
Buy nickel contracts but get stone contracts?

 

[Joseph12]

https://www.wsj.com/livecoverage/st...-turned-out-to-be-stones-whWn9TqZaksdTPcGyyAihttps://www.bloomberg.com/news/arti...tually-bags-of-stones?leadSource=uverify wall
Buy nickel contracts but get stone contracts?

I thought this only happens in some countries near Singapore where put something like drugs in storage and after testing turns out its detergent only?