London copper was steady on Thursday, supported by strong U.S. economic data and concerns over tight global supply, although a firmer dollar and Federal Reserve’s taper timeline put some downward pressure on prices. Three-month copper on the London Metal Exchange was steady at $9,845.50 a tonne, as of 0240 GMT, having scaled to a near one-month high of $9,880 on Wednesday.The most-traded January copper contract on the Shanghai Futures Exchange rose as much as 1.6% to 72,260 yuan ($11,311.30) a tonne, its highest since Oct. 22. Data released on Wednesday showed U.S. weekly jobless claims fell and third-quarter GDP ... (full story)