Stock image. Copper prices soared to a new record in London following a spike in orders to withdraw the metal from London Metal Exchange warehouses amid concerns of a global supply squeeze.Futures on the LME jumped as much as 2.6% to more than $11,400 per tonne during Wednesday’s morning trading, surpassing the previous peak set two sessions ago. It has since retreated to around the$11,100 level.The copper rally has been building momentum in recent weeks as a growing chorus of traders and analysts warned o ...