NEW DELHI: Power stocks such as Bharat Heavy Electricals (up 3.28 per cent), Tata Power Company (up 2.65 per cent), Suzlon Energy (up 2.13 per cent) and GMR Infrastructure (up 2.12 per cent) were trading up in afternoon trade on Friday, keeping the BSE Power index up.

The S&P BSE Power index was trading 0.58 per cent up at 2,369 around 12:45 pm (IST), while benchmark Sensex was 0.20 per cent up at 33,639.

Shares of Adani Power (up 1.19 per cent), JSW Energy (up 0.85 per cent), ABB India (up 0.60 per cent), NHPC (up 0.52 per cent), CESC (up 0.35 per cent) and Reliance Power (up 0.12 per cent) were also trading in the green.

However, PTC India (down 1.22 per cent), Reliance Infrastructure (down 0.69 per cent), Torrent Power (down 0.64 per cent), Siemens (down 0.39 per cent) and Thermax (down 0.34 per cent) were trading in the red around that time.

The NSE Nifty50 index was 18 points up at 10,442. Among the 51 stocks in the Nifty50 index, 26 were trading in the green, while 24 were in the red.

Shares of Bharti Airtel, NTPC, PNB, Hind Copper, Federal Bank, SAIL, Unitech, JP Associates, Idea Cellular, Reliance Comm, Suzlon Energy, Hind Const Co were among most traded securities on the National Stock Exchange.

Shares of Axis Bank, HDFC, Larsen & Toubro, Cipla, Oil & Natural Gas Corporation and Tata Motors were the top gainers in the Sensex index.

However, Hero MotoCorp, Lupin, Sun Pharma, Coal India, Mahindra & Mahindra and Kotak Mahindra Bank were among the top losers among the Sensex stocks.

On the BSE, 1,472 stocks were advancing whereas 1,077 stocks were lagging and 119 stocks were appearing unchanged.