Nifty crosses 5,100-mark, Sensex extends gain

The wide-based national stock exchange index Nifty crossed the crucial 5,100-points level in early morning trade while the BSE benchmark Sensex rose over 68 points on sustained buying by funds.

The BSE-30 share benchmark Sensex, which had gained 273.93 in previous day's trading, added further 68.77 points at 17,195.61 points in first the five minutes of trading.

Similarly, the wide-based National Stock Exchange index Nifty crossed 5,100 points level by rising 26.55 points at 5,110.50 at the same time. Brokers said buying activity was mostly attributed to expectations of better quarter earnings.