Share Bazaar Live: Sensex, Nifty At New Lifetime Highs; Sensex Gains 200 Points, Nifty Tops 18,600

Extending early gains, the BSE Sensex rose over 200 points to its new high for a fourth day at 62,722, and the NSE Nifty50 gained 70 points to 18,628, its fresh high for a second session.