Trading at the Bombay Stock Exchange today closed 47.70 points down to stand at 19942.46. At the National Stock Exchange the Nifty closed 19.14 points down to stand at 6050.14. National Aluminium Company Ltd. and Punjab National Bank were among the top gainers with an increase of 5.75% and 4.57% along Indian Bank and Siemens Ltd. with an increase of 4.10% and 3.22% respectively, while the top losers include Jubilant Food works Ltd. and Sun TV Network Ltd. with a decrease of 7.40% and 3.89% along with Indiabulls Real Estate Ltd. and Max India Ltd. with a decrease 3.85% and 3.76% at the close of the markets. The Auto sector is down 25.88 points at 11,028.22 while the banking sector is down 38.60 points at 14,414.61 and the realty sector is down 19.30 points at 1,913.52. The Indian currency is down 0.19% at Rs 54.27 per dollar.