Covering-up of short positions by speculators and positive overseas cues too supported the upside.
At the Multi Commodity Exchange, zinc for delivery in February edged up Rs 1.20, or 0.53 per cent, to Rs 226.30 per kg, in a business turnover of 873 lots.
Likewise, the metal for delivery in January traded higher by Rs 1.05, or 0.46 per cent, at Rs 227.80 per kg in 959 lots.
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