Equity benchmark indices Sensex and Nifty began Monday's trade on an optimistic note as investors' sentiment remained positive amid foreign fund inflows and a rally in global markets. The 30-share BSE Sensex jumped 482.7 points or 0.56 per cent to 85,412.06 in early trade. The 50-share NSE Nifty climbed 160.2 points or 0.61 per cent to 26,126.60. From the 30-Sensex firms, Infosys, Tata Steel, Tech Mahindra, Trent, HCL Tech and Bharti Airtel were among the biggest gainers. However, UltraTech Cement and Power ...