Equity benchmark Sensex surged over 100 points in opening trade on Wednesday, led by gains in index majors HDFC, Reliance Industries and Infosys amid a largely positive trend in Asian markets. The 30-share BSE index was trading 125.76 points or 0.25 per cent higher at 50,763.29, and the broader NSE Nifty advanced 25.75 points or 0.17 per cent to 15,234.20.
