The Sensex trimmed some of its gains due to profit booking and the negative opening of the European markets.

Realty, IT and metal stocks showed some resistance, while oil & gas, capital goods and power stocks were seeing selling pressure.

BSE Midcap and Smallcap index rose 0.01 per cent and 0.05 per cent respectively.

At 1:51 pm, Bombay Stock Exchange's Sensex lost 63.26 points at 17262.75 after touching a low of 17205.38 and high of 17457.26.

On the other hand, National Stock Exchange's Nifty stood at 5121.55, down 20.25 points. The index touched a low of 5105.05 and high of 5181.95.

Amongst the sectoral indices, BSE Capital Goods Index lost 1.26 per cent, BSE Oil & gas Index fell 1.04 per cent and BSE Power Index decline 0.68 per cent.

BSE Realty Index remained on top after gaining 1.31 per cent followed by BSE Metal Index, which surged 0.91 per cent and BSE IT Index climbed 0.52 per cent.

The gainers' list comprised Hindalco (4.07%), SAIL (3.98%), HCL Tech (3.38%), Wipro (2.33%) and Maruti (1.96%).

M&M (-3.37%), Reliance Communications (-2.58%), Suzlon Energy (-2.52%), BPCL (-2.22%) and Siemens (-2.16%) were included in the top Nifty losers.

European markets belled the day on a pessimistic note following profit booking in financial stocks. FTSE 100 lost 0.51 per cent, DAX fell 0.45 per cent and CAC 40 was down by 0.49 per cent.