MUMBAI, April 8 (Reuters) - India copper futures extended losses into a fourth session in a row on Thursday tracing overseas markets and a firm rupee, analysts said. The most-traded copper April contract MCCJ0 on the Multi Commodity Exchange was 1.23 percent lower at 349.35 rupees per kg at 4:40 p.m., after losing 0.6 percent in the previous three sessions. London copper fell to a one-week low in early European trade on Thursday on doubts prices above $8,000 a tonne were justified by supply and demand fundamentals. [MET/L] The Indian rupee jumped in late afternoon trade on market talks of a likely revaluation of the Chinese yuan, dealers said. A firm rupee makes the dollar-quoted asset cheaper. [INR/] "Copper may edge down further, selling could be initiated ideally at 349.50, for a target of 344, maintaining a stop loss of 351.50 rupees," said Somnath Dey, in-charge, metals and energy research from Religare Commodities. Copper could be sold at current market price of 349.45, for a target of 345/342 rupees, maintaining a stop loss of 353 rupees, said Navneet Damani, an analyst with AnandRathi Commodities. In other base metals, zinc April MZIJ0 was trading 1.83 percent lower at 104.45 rupees per kg, while lead for April delivery MLDJ0 was trading 1.57 percent lower at 100.25 rupees per kg. Nickel April MNKJ0 was trading 1.29 percent lower at 1,085.10 rupees per kg. "Looks like nickel will not slide down and may trade in the range of 1,080-1,100 rupees," said Religare's Dey. (Reporting by Siddesh Mayenkar; Editing by Harish Nambiar)

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