The fall in copper prices on Wednesday was marked for the second day in a row amid escalating trade disputes between the US and China before an important meeting between representatives of the two countries that should take place next week. As stated in the administration of US President Donald Trump, China’s attempts to change unfair trading methods have not been successful. On Wednesday on the Shanghai Futures Exchange, all base metals showed a drop. The price of copper dropped to its lowest level in a week. Its price on the London Metal Exchange decreased by 0.1% to 6,176.5 dollars per ton. Zinc fell in Shanghai by 2.3%, in London - by 0.3%. The price of aluminum in Shanghai has fallen to a minimum since October 2016 of 13,635 yuan.