Sensex crossed 50,000-mark in pre-opening session on January 21. At 10:09 am, the BSE S&P Sensex was up by 257 or 0.52% at 50,049.13, while the Nifty was up by 63 points or 0.43 per cent 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.
