Increasing demand for U.S. silver coins was poised to send premiums to the highest since October even as banks including Goldman Sachs Group Inc. predicted more declines in futures after the biggest annual slump since 1981.
Silver futures plunged the most since January as exchange owner CME Group Inc. raised the cash deposit required for trading after prices reached a 31-year high last week. Gold extended its rally to a record.
Copper futures fell for the first time in four sessions as slackening factory output raised concern that demand will ebb in China, the world’s top consumer. Nickel rose to the highest since February 2012 in London.