Copper falls

Sydney

Three-month copper on the London Metal Exchange was down 0.5 percent to $6,454 a tonne, extending losses from the previous session.

The most-traded copper contract on the Shanghai Futures Exchange fell more than 1 percent to 50,620 yuan ($7,586) a tonne.

Shanghai metals futures opened lower across the board on Friday, weighed down by currency uncertainty and negative sentiment in metals markets overnight.

London Metal Exchange contracts fell further as investors looked to lock in profits after some base metals hit multi-year peaks.

July housing data in China due on Friday could help dictate price direction across complex, commodities traders said.

Metals were set in downward motion on Thursday by weaker than expected U.S. industrial production, which rose only 0.2 percent in July.

"This was enough to induce some selling as investors locked in the gains from the past few weeks," according to ANZ Bank.