铜价攀升至一周高位，受买盘和贸易协议乐观前景推动

Group 1 - Copper prices in London rose to a one-week high, with expectations of increased buying demand following recent price declines and higher risk appetite among investors [1] - The three-month copper price on the London Metal Exchange (LME) increased by $69 or 0.72% to $9,736 per ton, marking the highest price since July 10, with a weekly increase of over 0.5% [1] - BHP Group reported a slight increase in copper production for the fourth quarter, reaching 516,200 tons, up 2.25% year-on-year, and an annual production of 2,016,700 tons, an 8% increase from the previous fiscal year [2] Group 2 - The Shanghai Futures Exchange saw a rise in copper prices, with the main contract increasing by 510 yuan or 0.65% to 78,410 yuan per ton, although the weekly performance still showed a decline of 0.28% [1] - Other metals on the LME also experienced price increases, with tin rising by 0.68% to $33,240 per ton, zinc by 0.42% to $2,748.5 per ton, and lead by 0.2% to $1,977 per ton [2] - The Shanghai metal market showed significant gains in tin, zinc, and nickel, with tin rising by 2,800 yuan or 1.07% to 264,540 yuan per ton, and nickel increasing by 870 yuan or 0.73% to 120,500 yuan per ton [3]