Equity benchmark indices continued to rally for the third straight session on Monday amid favourable trends in global markets. The 30-share BSE Sensex jumped 471.45 points to 64,835.23 points in early trade. The Nifty climbed 126.75 points to 19,357.35 points. Among the Sensex firms, Larsen & Toubro, Axis Bank, Nestle, JSW Steel, IndusInd Bank and Mahindra & Mahindra were the biggest gainers. State Bank of India and Tata Motors were the laggards.