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Copper Drops Most Since March With Growth Fears Dimming Outlook

Copper wiring is threaded into a pump unit.
Photographer: Akos Stiller/Bloomberg
Updated on

Copper tumbled the most since March amid concerns over the pace of economic recovery as traders looked for signs of progress in U.S. fiscal-stimulus talks.

U.S. manufacturing expanded in September by less than forecast, according to a report Thursday, while U.S. initial jobless claims remained well above pre-virus levels. U.S. House Speaker Nancy Pelosi said there are still major differences to be bridged in the negotiations over a fiscal stimulus package with Treasury Secretary Steven Mnuchin.