At noon on Wednesday, the core equity indices i.e., Sensex and Nifty 50 were up and responding positively to the Union Budget as the Sensex breached the 59,000 level mark in the morning. The Sensex was at 59,5000.70 up by 638.13 points or 1.08 per cent, while Nifty was at 17,762.10 up by 185.25 points or 1.05 per cent from the last trading session.