BEIJING, April 27 (Reuters) - London aluminium prices edged down on Friday, having jumped in the previous session as investors bet that U.S. sanctions would remain in place on Russian producer Rusal, keeping supply tight. The metal is trading lower for a fifth session out of seven and has lost 8.2 percent so far this week, putting it on course for its biggest weekly drop since the week ended Aug. 5, 2011. FUNDAMENTALS * LME ALUMINUM: Three-month copper on the London Metal Exchange was down 0.3 percent to $2,268.50 a tonne by 0149 GMT, after ending up 1.3 percent on Thursday. * SHFE ALUMINIUM: The most-traded June aluminium contract on the Shanghai Futures Exchange was up 0.2 percent to 14,450 yuan ($2,281) a tonne. It is down by around 4 percent this week but up 4.5 percent for the month. * RUSAL: Rusal's head of sales Steve Hodgson is leaving the company, a source familiar with the matter said on Thursday. * COLUMN: U.S. sanctions on Rusal shatter aluminium's supply chain: Andy Home. * COPPER: Copper was trading down 0.4 percent at $6,937 a tonne on a firm dollar, which makes metals expensive for holders of other currencies. Shanghai copper was down 0.3 percent to 51,570 yuan a tonne. * COPPER: Chile's Escondida, the world's largest copper mine, said on Thursday that early contract talks with its workers' union ended without an agreement, setting the stage for legally scheduled negotiations to begin in June. * CANADA: Canadian miner Agnico Eagle Mines Ltd on Thursday said it is planning to divest all of its cobalt assets in Canada and that it sold some gold interests in the United States. For the top stories in metals and other news, click or MARKETS NEWS * Asian shares edged higher on Friday, after U.S. equities were buoyed by solid quarterly earnings and a rebound in technology stocks, while the euro languished near three-month lows after the European Central Bank kept interest rates unchanged. DATA AHEAD 0530 France Preliminary GDP Q1 0600 Germany Import prices Mar 0645 France Consumer spending Mar 0800 Germany Unemployment rate Apr 0900 Euro zone Business climate Apr 1230 U.S. Advance GDP Q1 1230 U.S. Employment costs Q1 PRICES BASE METALS PRICES 0149 GMT Three month LME copper 6937 Most active ShFE copper 51570 Three month LME aluminium 2268.5 Most active ShFE aluminium 14440 Three month LME zinc 3131 Most active ShFE zinc 23845 Three month LME lead 2334.5 Most active ShFE lead 18235 Three month LME nickel 14280 Most active ShFE nickel 104600 Three month LME tin 21315 Most active ShFE tin 147660 BASE METALS ARBITRAGE LME/SHFE COPPER LMESHFCUc3 348.68 LME/SHFE ALUMINIUM LMESHFALc3 -2273.16 LME/SHFE ZINC LMESHFZNc3 196.64 LME/SHFE LEAD LMESHFPBc3 185.81 LME/SHFE NICKEL LMESHFNIc3 -2466.3 ($1 = 6.3336 Chinese yuan renminbi) (Reporting by Tom Daly; editing by Richard Pullin)
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