The Sensex is now down 78 points at 13,688.TCS has dropped 2.7% to Rs 1,234. ONGC and HDFC have slipped 1.6% each to Rs 908 and Rs 1,582, respectively. Satyam and Cipla have dropped 1.3% each to Rs 450 and Rs 209, respectively.Infosys, BHEL, Bajaj Auto, Ranbaxy and ACC are down 1% each at Rs 1,980, Rs 2,440, Rs 2,505, Rs 385 and Rs 873, respectively.Hero Honda has gained 1.5% at Rs 690. Maruti, Reliance Energy and ITC are the other notable gainers.Out of 2,509 stocks traded so far, 1,452 have declined, 932 have advanced and 125 are unchanged.