今年上半年有色金属国际市场价格经历了较大的波动。由于苏军入侵阿富汗和美伊关系紧张,石油价格高涨,金价猛升。伦敦五金交(?)所经营的几种主要有色金属铜、铅、锌价格出现了大幅度上涨。三个月期货价格,铜达到每吨1374英磅,距历史最高记录只差26英磅;铅锌价格也分别达到每吨588英磅和415英磅。但到第二季度,由于美国经济严重衰退, In the first half of this year, the prices of non-ferrous metals in the international market have undergone major fluctuations. As the Soviet invasion of Afghanistan and the United States tensions, oil prices, gold prices soared. The prices of copper, lead and zinc, the major non-ferrous metals, operated by London Metal Exchange (?) Have risen sharply. For three-month futures, copper reached 1,374 pounds per tonne, just 26 pounds below its all-time high and lead and zinc prices reached 588 pounds and 415 pounds per tonne, respectively. However, in the second quarter, due to the serious economic recession in the United States,