New Delhi, October 17 (ANI): Trading at the Bombay Stock Exchange today closed 132.11 points down to stand at 20,415.51. At the National Stock Exchange the Nifty closed 43.20 points down to stand at 6045.85.Jaiprakash Associates and MCX were among the top gainers of Group A with an increase of 7.19% and 5.00% along with Future Retail and United Phosphorus with an increase of 4.66% and 4.46% respectively, while the top losers of Group A include HCL and TCS with a decrease of 6.66% and 4.98% along with Exide Industries and Indusind Bank with a decrease of 4.74% and 4.49% at the close of the markets. The Auto sector is down 143.56 points at 11,797.95 while the banking sector is down 48.56 points at 11,791.18 and the realty sector is down 11.95 points at 1,316.27. The Indian currency is down 0.45% at Rs 61.38 per dollar.