The International Resource Journal: U.S. copper futures trim losses after payroll data U.S. copper futures trim losses after payroll data ================================================================================ admin on 05 February, 2010 07:00:00 IRJ Feb 5 - U.S. copper futures trimmed early losses today after the government data showed the unemployment rate fell to a five-month low of 9.7 percent. Benchmark copper for March delivery HGH0 was down 2.70 cents at $2.8520 per lb on the New York Mercantile Exchange's COMEX division, compared with an earlier 6.80-cent loss.