Sensex up 91pts; Infosys surges 4%

The Sensex is now up 91 points at 16,431.

The NSE Nifty is up 32 points at 4,896.

Infosys and Satyam have soared 3.8% each to Rs 1,474 and Rs 422, respectively. TCS has rallied over 2% to Rs 873, and Wipro has added almost 2% to Rs 425.

ONGC has surged 3.3% to Rs 990. NTPC has gained 2% at Rs 194.

Tata Steel and ITC have moved up nearly 2% each to Rs 792 and Rs 188, respectively.

Maruti and HDFC are up 1.7% each at Rs 921 and Rs 2,680, respectively.

Reliance Energy has plunged 3.5% to Rs 1,454, and Bharti Airtel has shed 2.3% at Rs 751.

Hindustan Unilever, SBI and HDFC Bank have dropped 1.7% each to Rs 225, Rs 1,842 and Rs 1,335, respectively.

Bajaj Auto and Mahindra & Mahindra have declined around 1.5% each to Rs 2,165 and Rs 695, respectively.

ICICI Bank and DLF are down over 1% each at Rs 960 and Rs 670, respectively.

Out of 2,606 stocks traded so far, 1,996 have declined, 566 have advanced and 44 are unchanged.