The Sensex is likely to open on a negative note following yesterday's late sell-off and weakness in the global markets. The index, however, has a strong support around 11,700 level.The index is likely to face resistance around 12,060-12,090-12,120 levels. On the downside, the index may find support around 11,880-11,850-11,825 levels.According to market analyst Shah, the Sensex has a strong support around 11,850, and the index is likely to target 12,750 level in the coming days. The 20 DMA Nifty support is at 3433.He adds that, banking and oil sector looks good.Stocks to watch today are Bank of Baroda, MphasiS BFL, NTPC, HLL and Dr.Reddy's.