* Equity Alert: NALCO shares up nearly 6%; may rise further
* Equity Alert: Real estate shares tumble; further downside likely
* Equity Alert: Airline shrs dn 2-8% as crude price nears record high
* Equity Alert: Shares seen opening down 2% as overseas markets drop
* Equity Alert: Cairn India shares seen up as global oil prices surge
* Equity Alert: Nifty likely to touch January low of 4448.50 today
* Equity Alert: Mkt down 3%; Nifty below 4500; power, realty shares down
* Equity Alert: Oil retailers down as crude prices surge; seen weak
* Equity Alert: Mkt down 4%; Nifty below Jan low, Sensex below 15000