While potential tariff negotiations between the United States and China, the main consumer, have allayed trade concerns, copper prices rose on Friday and are heading for modest weekly gains.

Three-month copper on the London Metal Exchange was up 2% at $9,389 per metric ton, at 04:38 GMT. The price of copper rose by 0.1% this week. According to ANZ, “the price of copper rose slightly thanks to signs of progress in trade agreements between the United States and other countries.”

In other London metals, aluminum added 0.4% to $2,425.5 per ton, zinc increased 1.5% to $2,616.5, lead gained 0.8% to $1,967, lead gained 0.8% to $1,967, pewter rose 2.2% to $1,967, pewter rose 2.2% to $30,430, and nickel rose slightly by 0.1% to $15,265 per ton.