World Shanghai copper slips News Desk Dec 20th, 2012 Comments Off on Shanghai copper slips The most-traded March copper contract on the Shanghai Futures Exchange slipped 0.40 percent to close at 57,650 yuan ($9,300) a tonne on Wednesday.Copyright Reuters, 2012 Share on Facebook Share Share on TwitterTweet Share on Pinterest Share Share on LinkedIn Share Share on Digg Share Share via SMS Share Share via Whatsapp Share the author Previous The Weather Next Judgement reserved in CNG case: detailed verdict today