[adds new comment from Lord Copper] Hot investment money and algotrading on electronic platforms have disenfranchised traditional users of the London Metal Exchange: that is what MB columnist Lord Copper believes. But the Duke of Deptford, the nom de plume of another veteran LME broker, contends that such concerns are beside the point. Which do you agree with? Email editorial@metalbulletin.com with your comments. We’ll pass them on to the lord and the duke for the next round of the debate

Lord Copper could not normally be accused of socialism or state interventionism, but I must congratulate US president Obama on his statement last night about reforms to the banking system

Hot investment money and algotrading on electronic platforms have disenfranchised traditional users of the London Metal Exchange: that is what MB columnist Lord Copper believes. But the Duke of Deptford, the nom de plume of another veteran LME broker, contends that such concerns are beside the point. Which do you agree with? Email editorial@metalbulletin.com with your comments. We’ll pass them on to the lord and the duke for the next round of the debate