The Bombay Stock Exchange benchmark Sensex lost more than 170 points during the early trade owing to uncontrolled selling action in IT, teck oil & gas and power scrips amid a feeble movement in the Asian bourses.

At 11.05 a. m., the 30-share index Sensex remained down by 175.15 points to trade at 19,521.71.

At the same time, the Nifty slipped 48 points to trade at 5,863.50.

The scrips, which led the volume charts comprised Infosys, L&T, SBI, TCS and JP Associates.

The top losers on the Sensex consisted of Infosys, RIL, TCS, Wipro, ONGC, NTPC and ICICI Bank.

Hero Honda, Bharti Airtel and L&T remained the top gainers.

Among the sectoral indices, IT index declined 5.11%, teck fell 3.69%, oil & gas slipped 1.05 and power remained down by 0.57%.

Infosys announced its fourth quarter results today. The company missed the market expectations and reported 2.13% growth in consolidated net profit.

Market analysts were anticipating 3.3-6.7% increase in Infosys' consolidated net profit for the three month period ended March 31, 2011.

Responding to the fourth quarter numbers, Infosys stock declined 7.26% on the BSE, accompanied by Wipro 4.34% and TCS by 1.90%.

The BSE Sensex, which belled the day after losing 112 points, fell 222.51 points to 19,474.35 in the first few minutes of trade on account of profit-booking in IT, tech and refinery segment scrips.

Likewise, the broad-based Nifty slipped 64.3 points (1.08%) to trade at 5,847.20.