China's copper imports fell 8% in May from the previous month as record-high prices further eroded buying interest while overall export growth missed analysts' forecasts.
Three-month copper on the London Metal Exchange had shed 0.6% to $9,890 a tonne by 1430 GMT after rising by 1.7% on Friday.
Three-month copper on the London Metal Exchange (LME) gained 0.8% to $9,866 a tonne in official trading, having lost as much as 3.8% in the previous session.
Three-month copper on the London Metal Exchange slipped 0.2% to $10,201 a tonne.
Torlizzi expected copper prices to correct lower during the summer, when bullish investors would start buying again. He targeted $8,000 as an attractive level to re-enter the market.
Benchmark copper on the London Metal Exchange traded up 0.1% at $9,961 a tonne in official rings.
Prices of the metal used widely in the power and construction industries have fallen 7% since hitting a record high at $10,747.50 a tonne earlier this month.
Copper on the London Metal Exchange (LME) was set for its biggest weekly drop since September 2020 after a sizzling rally with near 40% gains since the start of the year to a record peak of $10,747.50 last week.
Three-month LME copper had slid 1.6% to a two-week low of $9,884 a tonne, down 3.5% on the week.
Copper on the London Metal Exchange (LME) was set for its biggest weekly drop since January after a sizzling rally with near 40% gains since the start of the year to a record peak of $10,747.50 last week.
"There's been some buying on the back of a lower dollar and the possibility of a strike at Escondida (copper mine in Chile)," a copper trader said. "But the rally does seem to have to run out of steam."
An overhaul of Chile's market-orientated constitution is underway and the country is debating whether to increase royalties on miners.
Prices have rocketed 25% this year as commodities and equities markets surged and investors anticipate that a crackdown on polluting smelters in China will constrain supply.
Adding impetus was China saying it would "indefinitely" suspend all activity under a China-Australia Strategic Economic Dialogue, deepening a crisis in relations.
Benchmark aluminium on the London Metal Exchange was up 1% at $2,387 a tonne at 1121 GMT. Prices of the metal used widely in the transport, construction and packaging industries earlier touched $2,389, a gain of more than 20% since January.
Electricity, much of it from coal in China, can account for 30%-40% of aluminium smelting costs.
The new cells will have the same total annual production capacity - of 1.4 million tonnes of aluminium. These four smelters in total produced 2.7 million tonnes of aluminium in 2020, or 71% of the company's output.
The 10-year project will start this year, and investments, which the Hong Kong-listed Rusal is yet to disclose, will peak in 2022-2027.
Benchmark aluminium on the London Metal Exchange (LME) was up 1% at $2,315 a tonne.
Aluminium, which is used in transport, packaging and construction, earlier touched its highest since June 2018 at $2,323.50 to stand more than 15% up from the start of this year.
China is widely expected to rein in coronavirus-induced stimulus and cool credit growth to contain debt risks while maintaining support for ailing small firms. It has also set modest growth targets.
Three-month copper on the London Metal Exchange (LME) declined 1.4% to $8,883 a tonne.