Sensex rangebound; ONGC, L&T, TCS top gainers

The S&P BSE Sensex was trading in a narrow range, a day after it staged a smart rally of nearly 500 points, led by gains in ONGC, L&T, TCS, Tata Power and Axis Bank. Tracking the momentum, the 50-share Nifty index also started on a strong note and was trading above its crucial psychological level of 8100, supported by gains in pharma, power, realty, capital goods and IT stocks.