Copper prices fell during the day despite the stability of the dollar against most major currencies and the release of positive economic data in China.
The Chinese Customs Office released its official reading for China's exports, which rose 14.2% in March, its biggest rise in five months, compared with the same period last year.
Meanwhile, by 13:55 GMT, the dollar index (against a number of major currencies) stabilized at 96.5 points, recording a high of 96.9 points and a low of 96.7 points.
Markets are still waiting for the outcome of the trade negotiations between the United States and China amid uncertainty about its progress despite positive statements from both sides.
In terms of trade, copper futures (May delivery) fell by 0.8% to $2.92 per pound at 13:56 GMT, with the day's highest at $2.94 and the lowest at $2.91.