Producers of metals and other raw materials fell sharply, as traders rotated out of high-risk sectors ahead of the Jackson Hole, Wyo., central-banker conference.
Metals prices slipped as the dollar crept up towards multiyear highs in anticipation of hawkish rhetoric from Federal Reserve Chairman Jerome Powell.
Australian gold miner Newcrest Mining rose after it forecast growth ahead of some investors' expectations.
Copper futures finished more or less flat for the week, as traders assessed the risk of a global recession.
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(END) Dow Jones Newswires