Sensex ends up 806pts at 9,852BS Reporter / Mumbai October 31, 2008, 15:31 ISTThe Sensex opened with a positive gap of 317 points at 9,362, on the back of on-going pull-back in the market. Intra-day profit taking saw the index pare gains during the day, the Sensex however ended on a firm note at 9,852 - up 806 points.