From Theglobeandmail.com: Industrial metals tumbled Wednesday, with copper plunging more than 9 per cent in late business as a sharp downturn in U.S. equity markets reinforced fears of a global economic recession.

Copper for delivery in three months on the London Metal Exchange (LME) closed at $4,920 (U.S.) a tonne, down $378 from Tuesday’s closing bid of $5,298. In after-hours electronic business, the red metal fell as low as $4,820. In New York, copper for December delivery plunged 18.40 cents, or 7.7 per cent, to close at $2.2105 a pound on the New York Mercantile Exchange’s Comex division….. Full Article: Source