After March copper contract touched 1.3290 U.S. dollars per pound intraday high for the highest level since last Tuesday, but did not trigger any significant short-covering.

• 盘中3月期铜合约触及了每磅1.；3290美元的日内高点，此为上周二以来最高水平，但这并未触发任何有意义的空头回补。