Going ahead, immediate support for the Nifty may come in at 11,310 and 11,260 levels, while on the upside, the level of 11,400 is likely to act as a stiff resistance, followed by 11,450. Stocks in news: Tata Power, Excel Crop Care, ICICI Bank, Punjab National Bank, Mangalore Chemicals and Fertilizers, NALCO, MCX, Gujarat Alkalies and Chemicals and Pratibha Industries.