New Delhi, Dec 16 (ANI): Trading at the Bombay Stock Exchange today closed 50.14 points down to stand at 20,665.44. At the National Stock Exchange the Nifty closed 13.70 points down to stand at 6,154.70. Glaxosmithkline Pharmaceuticals Ltd. and Aurobindo Pharma Ltd. were among the top gainers of Group A with an increase of 18.58% and 12.68% along with Indian Hotels and SSLT with an increase of 8.25% and 4.12% respectively, while the top losers of Group A include Sobha Developers Ltd. and Wockhardt with a decrease of 7.75% and 5.44% along with Pipavav Defence and JetAir India with a decrease of 4.90% and 4.49% at the close of the markets. The Auto sector is down 93.25 points at 11,941.09 while the banking sector is down 6.07 points at 12,963.43 and the realty sector is down 1.35 points at 1,338.52. The Indian currency is up 0.23% at Rs 61.98 per dollar.