1. The document provides stock and index futures data as of January 31, 2012 including open interest, changes in open interest, support and resistance levels, and closing prices.
2. Key Indian indices like Nifty, Bank Nifty, and CNXIT saw increases in open interest of around 10-15% while open interest decreased for some stocks like Cairn India and Canara Bank.
3. Closing prices on January 31, 2012 were mostly higher with some stocks like Auro Pharma and Bata India rising over 5% while others such as Cairn India fell around 1%.