Sensex up 79pts; Satyam, Bharti in red

The Sensex is now up 79 points at 17,729.

The NSE Nifty is up 39 points at 5,239.

Reliance Energy has soared 3.8% to Rs 1,684.

Grasim has surged 3.5% to Rs 3,000, and ACC has moved up 1.4% to Rs 830.

BHEL and HDFC Bank have rallied over 2% each to Rs 2,131 and Rs 1,451, respectively.

Mahindra & Mahindra has moved up 1.7% to Rs 639. ONGC and Infosys have added 1.4% each to Rs 1,028 and Rs 1,635, respectively.

Bharti Airtel and Satyam are down over 1% each at Rs 841 and Rs 445, respectively.

Out of 2,701 stocks traded so far, 1,597 have advanced, 1,030 have declined and 74 are unchanged.