A spike in costs of key ingredients, together with bearish LME (London Metal Exchange) prices, threatens to cut margins of domestic aluminium makers in the near term.
LME aluminium prices have been tanking for over four weeks, falling to $1,775 a tonne as on January 14 after scaling a seven-year-high of $2,718 in April 2018. The price trend is disquieting for the three primary producers — National Aluminium Company (Nalco), Vedanta Ltd, and Hindalco Industries Ltd — whose smelting costs are still hovering around $2,000 a tonne.
"The cost of production of smelters with own alumina will still be below

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