The Sensex from a low of 14,137, rebounded into the positive zone to a high of 14,298, but has slipped back into red and is now down 35 points at 14,209.
Hindalco has surged nearly 3% to Rs 133.
Sterlite has gained 2.5% at Rs 616. Reliance Communications has advanced 1.3% to Rs 403.
NTPC has plunged 2.5% to Rs 169. Maruti has tumbled over 2% to Rs 605.
ONGC and Grasim have shed 1.7% each at Rs 991 and Rs 1,933, respectively.
BHEL and Larsen & Toubro are down 1.5% each at Rs 1,644 and Rs 2,591, respectively.