New Delhi, June 18 (ANI): Trading at the Bombay Stock Exchange today closed 274.94 points down to stand at 25,246.25. At the National Stock Exchange the Nifty closed 73.50 points down to stand at 7,558.20. Bajaj Finance Limited and CRISIL were among the top gainers of Group A with an increase of 9.16% and 6.43% along with Piramal Enterprises Ltd. and National Aluminium Co. Ltd. with an increase of 4.31% and 4.08% respectively, while the top losers of Group A include Prestige Estates and Jaiprakash Associates Ltd. with a decrease of 5.97% and 5.28% along with Unitech and Indiabulls Real Estate Ltd. with a decrease of 5.21% and 5.18% at the close of the markets. The Auto sector is down 191.01 points at 14,936.02 while the banking sector is down 188.81 points at 17,424.01 and the realty sector is down 42.93 points at 2,003.40.The Indian currency is down 0.60% at Rs 60.39 per dollar.