The dollar rose to an eight-month high on Monday amid heightened expectations that the US Federal Reserve might raise interest rates next month, driving down the prices of copper, gold and other metals.
World equity markets slipped, with US stocks ending slightly lower in quiet trading after strong gains last week.
Worries that a buoyant dollar could discourage producers from cutting supply despite weak demand weighed on base metals prices. Copper fell to its cheapest in six months before recovering.
The dollar index, which measures the greenback against six major currencies, rose as much as 0.4%, touching 100.000, an eight-month high not far from this year's peak of 100.390.
San Francisco Fed President John Williams on Saturday cited a "strong case" for raising rates when Fed policymakers meet next month, as long as US economic data does not disappoint. His comments overshadowed Monday's lacklustre US manufacturing and housing reports.
"For him to acknowledge that there's a strong case for higher rates next month is a strong signal to the market that there's increasing consensus at the Fed that rates are likely to rise next month," said Omer Esiner, chief market analyst at Commonwealth Foreign Exchange in Washington.
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The Dow Jones industrial average fell 31.13 points, or 0.17%, to 17,792.68, the S&P 500 lost 2.58 points, or 0.12%, to 2,086.59 and the Nasdaq Composite dropped 2.44 points, or 0.05%, to 5,102.48.
"We had a very large rally last week, and it's not surprising to see the market correct after that," said Stephen Massocca, Chief Investment Officer of Wedbush Equity Management LLC in San Francisco.
The MSCI index of global stock markets fell 0.3%, and a broad gauge of European stocks ended down 0.3%, pressured by commodity-related losses.
Three-month copper The Thomson Reuters Core Commodity CRB index hit its lowest since November 2002 before bouncing back. It was last down 0.2%.
Crude oil prices ended mixed. Supply worries offset Saudi Arabia's pledge to work on price stability. Brent futures
US Treasuries prices rose as a solid two-year note auction renewed demand for longer-dated bonds. Benchmark 10-year notes were up 4/32 in price to yield 2.246%, down nearly 2 basis points.