At the start of the week, copper Londonian a retreated. For its part, aluminium increased its losses for a third session As a result, the weakness of trade, due to public holidays in China, weighed heavily on prices.

The Shanghai Futures Exchange is closed for the Lunar New Year holidays which started on February 15 and Exchanges will resume on February 24.

The three-month copper reference price on London Metal Exchange fell 0.5% to $12,810.0 per ton at 04:00 49 GMT, after reaching its lowest level in a week on Friday.

LME copper could re-test a Support at $12,578 per metric ton this week, a break in below this level could trigger a fall in the range of $11,545 to $12,116, the technical analyst at Reuters, Wang Tao

Copper stocks on the three largest The world's metal exchanges exceeded one million metric tons for the for the first time in over twenty years, the build-up of stocks due to weakness in demand in China in addition to the recent stockpilings carried out at United States.

LME copper stocks were up 7% 225 metric tons on Friday.

Among other metals, aluminum has slightly fell by 0.4% to $3,065.0, after reaching its highest point on Friday low level in one week following a report according to which the president American Donald Trump was considering reducing some tariffs on steel and aluminum products.

LME aluminum could re-test a Support at $3,000 per metric ton this week; a breakout below could pave the way to $2,916, Tao added.

LME nickel lost 0.5% to settle at $16,905/ton, its lowest level in over a week.

Nickel stocks on the stock exchange also have increased by 702 tons.

Zinc fell by 0.5% and lead by 0.10%.