Sensex crossed 50,000 mark in pre-opening session on January 21.
At 10:09 am, the BSE S and P Sensex was up by 257 or 0.52% at 50,049.13, while the Nifty was up by 63 points or 0.43% at 14,707.70.
Among stocks, Reliance Industries was up by 2.23 per cent at 2,100.
Bajaj Auto, Bajaj Finance, Tata Motors were also among the top gainers.
