Glencore Ltd was fined $25,000 and ordered to pay back $66,200 in profits for trading copper contracts in a way that violated COMEX exchange rules, according to a notice posted on the CME Group ...

London-listed Glencore (GLEN.L), opens new tab declined to comment. Under the new rules, the Type 1 contracts allow UK LME members and their clients to freely trade Russian metal warrants in ...