Zinc trading range for the day is 187.6-198.8.

* Zinc prices remained under pressure on news about the potential inflow of overseas zinc concentrate.

* London Metal Exchange zinc spreads are stressed, with the cash-to-three-months premium hitting a one-year high of $63 per tonne.

* Shfe zinc spreads are also in backwardation, while the premium for metal in bonded warehouses shot to multi-year highs in September.

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