Copper prices eased on the London Metal Exchange and Shanghai Futures Exchange on Tuesday, as uncertainty over US trade tariffs and the potential for increased copper supply from Chile, the world’s largest producer, weighed on the market. Three-month copper on the LME was down 0.2% at $9,810 per metric ton, as of 0109 GMT, and the most-traded copper contract on the SHFE eased 0.16% to 79,380 yuan ($11,064.34) a ton. Still, both contracts were trading at their high levels since April. The United States sent formal notices to 14 countries on Monday announcing new tariffs ranging from 25% to 40%, set to take effect on ... (full story)