Copper prices inched up on Friday tracking a weaker U.S. dollar, although demand concerns in top metals consumer China kept gains in check.
Three-month copper on the London Metal Exchange (LME) was up 0.3% at $8,242.50 a metric ton by 0343 GMT.
Meanwhile, the most-traded December copper contract on the Shanghai Futures Exchange (SHFE) edged down 0.1% to...
