Producers of metals and other raw materials fell as traders hedged their bets on the outlook for global growth.

The Federal Reserve's Beige Book report indicated that the Delta variant has taken a toll on economic activity in the U.S.

Copper futures, which are particularly sensitive to the global economic outlook, fell to their lowest level since Aug. 20.

BHP Group, the world's largest miner by market value, has formed an exploration alliance with KoBold Metals, a Silicon Valley startup backed by Bill Gates-led Breakthrough Energy Ventures, to source metals critical for renewable energy development.

Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires

09-08-21 1632ET