Sensex rebounds, up 21pts

The Sensex has rebounded into the positive zone and is now up 21 points at 12,959.

Satyam has soared 5.4% to Rs 435. Wipro has rallied over 4% to Rs 584, and TCS has surged 3.5% to Rs 1,231. Infosys is up 1.3% at Rs 2,106.

HDFC Bank has rallied over 4% to Rs 972. Reliance Communications, Tata Steel and Maruti are up around 2% each at Rs 416, Rs 452 and Rs 856, respectively.

Gujarat Ambuja has plunged 6% to Rs 109. Graism has tumbled over 4% to Rs 2,120, and ACC has dropped 3.5% to Rs 864.

Dr.Reddy's has slumped 4% to Rs 650. BHEL, Hindalco and Reliance Energy were down around 2% each to Rs 2,130, Rs 137 and Rs 470, respectively.

Out of 2,318 stocks traded so far, 1,479 have declined, 772 have advanced and 67 are unchanged.