The Sensex has once again bounced back from the lower levels and rebounded into the positive zone. The index is now up 11 points at 18,163.The NSE Nifty is up 22 points at 5,296.Infosys and Cipla have surged 3% each to Rs 1,490 and Rs 190, respectively. Grasim has moved up 2.6% to Rs 3,025.Tata Steel and Mahindra & Mahindra have rallied 2.3% each to Rs 714 and Rs 702, respectively.ITC and Wipro have advanced over 2% each to Rs 201 and Rs 415, respectively.Ambuja Cements and Ranbaxy have gained 1.7% each at Rs 117 and Rs 356, respectively.Bajaj Auto has plunged 4.4% to Rs 2,352.ICICI Bank has shed 3.5% at Rs 1,230. SBI and HDFC Bank have dropped 3% each to Rs 2,236 and Rs 1,539, respectively.Maruti, Larsen & Toubro, Bharti Airtel and DLF are down around 1.5% each at Rs 849, Rs 3,787, Rs 857 and Rs 879, respectively.Out of 2,713 stocks traded so far, 1,356 have declined, 1,314 have advanced and 43 are unchanged.