New Delhi, October 22 (ANI): Trading at the Bombay Stock Exchange today closed 23.56 points down to stand at 20,870.33. At the National Stock Exchange the Nifty closed 2.15 points down to stand at 6202.80. Suzlon Energy and Essar Oil were among the top gainers of Group A with an increase of 9.92% and 6.81% along with JP Power and JSW Energy with an increase of 6.12% and 5.50% respectively, while the top losers of Group A include Karnataka Bank and MCX with a decrease of 5.21% and 5.00% along with Wockhardt and Dish TV India Ltd. with a decrease of 4.43% and 3.42% at the close of the markets. The Auto sector is down 63.30 points at 11,954.61 while the banking sector is up 15.26 points at 12,342.52 and the realty sector is down 3.15 points at 1,390.21. The Indian currency is down 0.18% at Rs 61.63 per dollar.