New Delhi, Dec 19 (ANI): Trading at the Bombay Stock Exchange today closed 150.92 points down to stand at 20,708.94. At the National Stock Exchange the Nifty closed 50.50 points down to stand at 6,166.65. Wockhardt and Adani Ports were among the top gainers of Group A with an increase of 9.27 % and 5.28% along with Bharat Forge and Suzlon Energy with an increase of 4.27% and 3.86% respectively, while the top losers of Group A include Strides Arco and IRB Infra with a decrease of 57.87% and 4.29% along with Reliance Capital Ltd. and Oriental Bank with a decrease of 4.25% and 4.18% at the close of the markets. The Auto sector is down 23.67 points at 12,126.68 while the banking sector is down 316.53 points at 12,659.52 and the realty sector is down 12.44 points at 1,367.18. The Indian currency is down 0.10% at Rs 62.15 per dollar.