New Delhi, November 8 (ANI): Trading at the Bombay Stock Exchange today closed 179.10 points down to stand at 20643.67. At the National Stock Exchange the Nifty closed 53.00 points down to stand at 6,134.25. Aurobindo Pharma and Indiabulls Real Estate were among the top gainers of Group A with an increase of 9.57% and 8.50% along with HDIL and Tech Mahindra with an increase of 5.59% and 5.56% respectively, while the top losers of Group A include Prestige Estates and Sun TV Network with a decrease of 7.09% and 6.42% along with United Breweries Ltd and Axis Bank with a decrease of 5.42% and 4.81% at the close of the markets. The Auto sector is down 79.42 points at 12,004.60, while the banking sector is down 198.62 points at 12,420.67 and the realty sector is up 16.01 points at 1,342.89. The Indian currency is down 0.35% at Rs 62.63 per dollar.