Extending its gains for the third straight session, equity benchmark Sensex jumped over 254 points on Wednesday tracking gains in pharma, IT and auto shares amid largely positive cues. The 30-share BSE index ended 254.03 points or 0.50 per cent higher at 51,279.51, and the broader NSE Nifty rose 76.40 points or 0.51 per cent to 15,174.80.
