MTECHTIPS- Copper trading range for the day is 376.4-387.6. Copper prices ended with gains as investors squared positions after a strong U.S. payrolls Report. The International Copper Study Group (ICSG) expects global copper ore output to be 19.90 million tonnes in 2017, flat at 2016’s. Workers at Escondida, the world’s largest open-pit copper mine, have rejected the company’s initial wage offer as collective talks begin. SELL COPPER FEB @ 385 SL 388 TGT 381.50-378.50. MCX.