A stronger greenback makes dollar-denominated metals more expensive for holders of other currencies and can dent prices, which have been weighed down by concerns that the U.S.-China trade row will hurt demand.
"Markets will be looking for some positive news, especially given weaker economic data in both countries of late," ANZ wrote in a note.
China, the world's top metals consumer, saw its factory activity contract for the first time in over two years in December, prompting Beijing to take steps to boost lending.
FUNDAMENTALS
* COPPER: Three-month copper on the London Metal Exchange was down 0.4 percent at $5,902.50 a tonne, as of 0701 GMT, after edging up 0.1 percent in the previous session. The most-traded March copper contract on the Shanghai Futures Exchange closed up 0.1 percent at 47,340 yuan ($6,903.59) a tonne.
* COPPER: Chile's copper production could jump by nearly 30 percent over the next 10 years, Chile's state copper agency Cochilco said on Monday.
* PREMIUMS: China copper premiums <SMM-CUYP-CN> are currently at $70.50 a tonne, up $8 from an 18-month low of $62.50 in early December, indicating stronger immediate demand for physical copper.
* TRADE: U.S. Commerce Secretary Wilbur Ross predicted Beijing and Washington could reach a trade deal that "we can live with" as dozens of officials from the world's two largest economies resumed talks to end their trade dispute.
* USD: The dollar index shed early losses to rise 0.2 percent, snapping a three-day losing streak.
* OTHER METALS: All other LME metals declined, with
aluminium down 0.8 percent and zinc down 0.6 percent. In Shanghai, zinc ended up 0.7 percent, tracking a jump in the LME price on Monday, but aluminium slipped 0.6 percent and lead lost 1.3 percent.
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MARKETS NEWS
* Asian shares dipped on Tuesday, running out of steam after a brief rally sparked by hopes that Washington and Beijing may be inching towards a trade deal and that U.S. Federal Reserve would halt its tightening if economic growth slows further.