On the upside, 12,137 works as stiff resistance and, on the downside, 11,900 will act as short-term support. In any case, a fall below 11,900-11,880 will take the index towards the 11,800 levels. Stocks in news: Greaves Cotton, Yes Bank, Narayana Hrudayalaya, Sadbhav Infrastructure Projects, Tata Motors, Bank of Baroda.