LONDON, Dec 14 (Reuters) - U.S. investment bank JPMorgan does not hold more than 90 percent of copper stock warrants in London Metal Exchange warehouses, it told Reuters on Tuesday.
A single holder, recently controlling 50-80 percent of copper stock warrants in London Metal Exchange warehouses appears to have raised the position to above 90 percent, latest data from the world's biggest metals market showed. (Reporting by Pratima Desai; editing by Anthony Barker)