Sensex up 97pts; Dr.Reddy's slips 2%

The Sensex opened with a marginal positive gap of 13 points at 12,231. The index zoomed to a new all-time intra-day high of 12,321, and is now up 97 points at 12,316.

HDFC Bank has advanced 1.7% to Rs 865. Satyam and Hero Honda are down 1.5% each at Rs 763 and Rs 842, respectively.

ONGC has gained 1.4% at Rs 1,340. ITC, SBI, HDFC and Wipro are up 1% each.

Dr.Reddy's has dropped 2% to Rs 1,650. ACC has declined 1.3% to Rs 977.