(MB) Copper premiums in the United States and Europe were stable this past week amid thin spot market activity, while Chinese premiums weakened further with demand remaining slow. US market participants take to the sidelines due to an extended holiday weekend European premiums flat despite higher offers seen in Italy amid shipment delays Chinese premiums fall on slow demand, further declines expected in the near term Holiday weekend weighs on US market US copper premiums were flat over the past week with market participants sidelined during an extended holiday weekend. American Metal Market’s assessment of the US copper cathode premium stood at 5.25-5.75 cents per lb delivered to the US Midwest on Tuesday January 16, unchanged since November 21, 2017.