The Sensex opened with a tad (four points) higher at 16,352, but soon slipped to a low of 16,314. The index has rebounded into the positive zone and is now up 25 points at 16,373.Ambuja Cements has surged 2% to Rs 149. ACC has gained 1.4% at Rs 1,153, and Grasim has added 1% to Rs 3,406.Reliance Energy and Maruti are the other prominent gainers.Wipro and Satyam have slipped 1.7% each to Rs 426 and Rs 415, respectively. Infosys has dropped 1.3% to Rs 1,776.TCS and HDFC Bank have declined 1% each to Rs 990 and Rs 1,312, respectively.
