Copper edges down

Sydney
Copper edged down in Asian trading on Friday following strong gains overnight, but traders said the metal remained underpinned by a second day of resurgent Asian equities and higher oil prices.
"The sentiment out there is still positive and that's keeping copper up today," a Perth-based commodities trader. "The fundamentals haven't changed."
Asian shares extended a global rally on Friday after upbeat US economic data calmed sentiment, with Chinese stocks jumping for the second day following a rocky start to the week.
Wall Street rose sharply overnight thanks to revised US gross domestic product data showing the economy grew faster than initially thought in the second quarter - a reassuring sign amid worries over deepening economic woes in China.
Meanwhile, the United States crude futures are on track for their first weekly gain in 11 weeks, ending the longest losing streak since 1986.