The Sensex has bounced back above the 17,000-mark and is now up 439 points at 17,047.The NSE Nifty has moved up 118 points to 4,956.HDFC Bank has soared 5.5% to Rs 1,475. Reliance Energy has surged 4.3% to Rs 1,602.ITC, Reliance and ICICI Bank have rallied around 4% each to Rs 192, Rs 2,415 and Rs 1,105, respectively.Tata Steel, Grasim and BHEL have moved up around 3.5% each to Rs 736, Rs 2,797 and Rs 1,940, respectively.DLF, Bajaj Auto and ONGC have advanced nearly 3% each to Rs 816, Rs 2,130 and Rs 964, respectively.ACC and Larsen & Toubro have added 2.7% each to Rs 738 and Rs 3,355, respectively.Reliance Communications, Tata Motors, Bharti Airtel and Mahindra & Mahindra are up around 2.5% each at Rs 590, Rs 710, Rs 877 and Rs 593, respectively.