look at the bigger picture for your answer, page-4

STOCKKER
In conclusion regardless of what you think about the US economy, its impact is huge on other markets ....and thats why the 300 point drop in the DOW this month shook all the other markets into a sell off.......your obviously not understanding the impact .....also the copper inventories weigh on the supply /demand ratios as does other external influences....obviously copper is used for industrial purposes therefore considering the downturn in the residential housing market, globally, this will have a slowdown effect on copper consumption.....therefore copper future prices will be affected.....quite simple i would have thought.....jam