Sensex rebounds, up 20pts; metal stocks lead

The Sensex has rebounded into the positive zone and is now up 20 points at 12,092.

Hindalco has surged 2% to Rs 172. Tata Steel ans Satyam have advanced 1.5% each to Rs 506 and Rs 835, respectively.

Cipla and HDFC have slipped nearly 1% each to Rs 258 and Rs 1,355 respectively.