Brics PCG expects markets to be volatile with a positive bias though it will continue to witness downward pressure.Sensex (Nifty) is expected to hover between 11051 (3278) and 9901 (2899).Resistance for the Sensex, today will be at 10,814-10,857-10,953. Supports will be witnessed at 10,674-10,631-10,534.