The Sensex has slipped back into the negative zone and is now down 96 points at 17,751.HDFC has plunged over 3% to Rs 2,512. ICICI Bank has shed 2.3% to Rs 1,063.Wipro and Infosys have slipped around 1.5% each to Rs 463 and Rs 1,973, respectively.HDFC Bank, ITC and Tata Motors are down around 1% each at Rs 1,404, Rs 185 and Rs 782, respectively.Reliance Energy has soared 3% to Rs 1,494. Bharti Airtel and Bajaj Auto have rallied around 1% each to Rs 981 and Rs 2,565, respectively.