The Sensex is now up 86 points at 13,656.
Sterlite has surged 7.8% to Rs 485. HDFC Bank has gained 3.4% to Rs 1,280. Tata Steel has rallied 2.5% to Rs 482.
Reliance Infrastructure is up 2.3% to Rs 883. Ranbaxy has advanced 2.2% at Rs 315.
Wipro has plunged 5.1% to Rs 370. TCS has lost 2.9% to Rs 699. Infosys is down 2.6% at Rs 1,504.
Satyam has shed 2.5% at Rs 323. Tata Motors has lost 2.2% to Rs 385. NTPC and ITC are the other losers.