Fall in headline inflation to a record low and short covering in the derivatives segment ahead of the expiry of the near-month March 2009 contracts lifted the barometer index BSE Sensex above the psychological 10,000 mark in mid-afternoon trade. The Sensex had last had hit the 10,000 mark on 7 January 2009, the day Satyam Computer unveiled India's biggest corporate fraud and triggered a market slide. The S&P CNX Nifty breached the psychological 3,000 mark.
