The Sensex is now down 21 points at 12,881.HLL has shed 2.5% to Rs 180. Reliance Energy and Bharti Airtel have dropped 1.5% each to Rs 467 and Rs 758, respectively.Ranbaxy, Infosys and BHEL are down over 1% each to Rs 319, Rs 2,090 and Rs 2,081, respectively.Tata Steel has surged 2% to Rs 445. NTPC has gained 1% at Rs 141. Satyam, Cipla and TCS are the other prominent gainers.Out of 2,540 stocks traded so far, 1,510 have advanced, 981 have declined and 78 are unchanged.