Copper futures rose over one percent in American trade to April 25 highs as the dollar index fell off December 13 highs, following earlier data from China, the world's largest metals consumer, and the US.
As of 02:17 GMT, copper futures due on July 15 rose 1.27% to $313.80 a pound from the opening of $309.85, while the dollar index dipped 0.11% to 93.58 from the opening of 93.68.
Earlier Chinese data showed the CB leading index slowed down to 1.5% in April from 1.6% in March.
From the US, the Richmond Manufacturing Index rose to 16 in May from 3 in April, beating expectations of 9.