Jan. 3 -- North American special aluminum alloy stockpiles tracked by the London Metal Exchange jumped the most in more than three years.
The inventories increased 10,820 metric tons, or 8 percent, to 146,460 tons, the exchange said today in a daily report, the largest one-day gain since Jan. 21, 2003.
North American special aluminum alloy for delivery in three months dropped $20, or 0.9 percent, to $2,245 a ton as of 9:08 a.m. London time.