Sensex rallies over 500 points in early trade; Nifty tops 15,100

Axis Bank was the top gainer in the Sensex pack, rising around 3 per cent, followed by IndusInd Bank, Axis Bank, ONGC, Kotak Bank, SBI, HDFC Bank, Reliance Industries and Infosys. On the other hand, Nestle India, Asian Paints, HUL and Tech Mahindra were among the laggards.