Global Stock Market Update by MarketMagnify

India's Sesa Sterlite Ltd gains 3.3 pct.During December, the stock fell 10.3 percent by Friday due to a fall in international iron ore prices.Kotak Securities upgrades the stock to "buy" from"reduce".

Expect improving fundamentals of zinc to support prices,especially from the second half of 2015 - Kotak says in a report.The company has the most to gain from coal mine auctions, it adds.Restart of Goa mines and probably a less onerous taxation regime will also help - says Kotak.

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