Zinc trading range for the day is 159.7-175.3. Zinc gained as the biggest gainer among other base metals on the back of robust gains in overnight London trading and buoyant equity markets. The most-traded zinc contract on the Shanghai Futures Exchange climbed more than 3 percent to 21,915 yuan ($3,184) a tonne. Zinc daily stocks at Shanghai exchange came down by 3781 tonnes.

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