Lead prices fell to their lowest level in 56 years, after London Metal Exchange warehouses recorded the largest increase since data collection began in 1970. Stockpiles jumped by 80,700 tons to approximately 370,100 tons, due to inflows of lead into Singapore warehouses. The price of lead declined by 0.3% to reach $1,862.50 per ton in midday trading.

Meanwhile, copper prices continued their rise today, hitting a three-week high, supported by signs of improving demand and tightening supply in China, the world's largest consumer of metals, to...