Benchmark copper on the London Metal Exchange (LME) traded down 1.4% at $9,337.5 a tonne in official rings after touching its lowest since July 21 at $9,295
"China's economy and demand is slowing, the dollar isn't helping and Chinese authorities are intent on making sure the market understands what they want"
Three-month copper on the London Metal Exchange (LME) edged up 0.02% to $9,323.50 a tonne in official trading after dropping by about 9% in June.
The most-traded August copper contract on the Shanghai Futures Exchange closed 0.7% down at 68,260 yuan ($10,531.84) a tonne for a 0.9% decline over the week.
Three-month copper on the London Metal Exchange was almost flat at $10,007 a tonne.
Workers at BHP Group's Spence copper mine in top producer Chile said last week they had reached a new contract deal with the company, avoiding a strike.
Three-month copper on the London Metal Exchange fell 0.2% to $9,871 a tonne.
The most-traded July copper contract on the Shanghai Futures Exchange declined 0.8% to 70,920 yuan ($11,106.76) a tonne and was also set for a weekly decline.
Benchmark copper on the London Metal Exchange (LME) was down 0.6% at $9,904.50 a tonne in official trading, off a record high of $10,747.50 reached on May 10.
Chinese Yangshan copper import premiums fell to $26, the lowest in at least 9 years, pointing to weak demand for overseas metal.
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.