New Delhi, Dec 13 (ANI): Trading at the Bombay Stock Exchange today closed points 191.08 down to stand at 20,734.53. At the National Stock Exchange the Nifty closed 68.65 points down to stand at 6,168.40. Aurobindo Pharma and IPCA Lab were among the top gainers of Group A with an increase of 4.35% and 2.87% along with Tata Motors and Oberoi Realty with an increase of 2.61% and 1.77% respectively, while the top losers of Group A include Jet Air India and Torrent Power with a decrease of 7.29% and 6.09% along with Wockhardt and Jaiprakash Associates with a decrease of 6.08% and 5.44% at the close of the markets. The Auto sector is down 6.54 points at 12,047.11 while the banking sector is down 314.49 points at 12,953.52 and the realty sector is down 26.70 points at 1,341.86. The Indian currency is down 0.57% at Rs 62.16 per dollar.