New Delhi, Jan 18 (ANI): Trading at the Bombay Stock Exchange today closed 266.67 points down to stand at 24,188.37. At the National Stock Exchange the Nifty closed 86.80 points down to stand at 7,351.00. Bharat Heavy Electricals Ltd and Karnataka Bank Ltd were among the top gainers of group A with an increase of 4.29% and 4.11% along with Credit Analysis And Research Ltd and Tata Steel Ltd with an increase of 3.17% and 2.76% respectively, while the top losers of group A includes Jubilant Life Sciences Limited and Pipavav Defence And Offshore Eng Ltd with a decrease of 15.35% and 12.87% along with Shipping Corporation Of India Ltd and Torrent Power Ltd with a decrease of 12.44% and 11.76% at the close of the markets. The Auto sector is up 246.43 points at 16700.03 while the Banking sector is up 199.81 points at 17037.84 and the Realty sector is up 38.45 points at 1178.47. The Indian currency was up with 0.18% at Rs. 67.72 per dollar.