New Delhi, October 31 (ANI): Trading at the Bombay Stock Exchange today closed 107.83 points up to stand at 21141.80. At the National Stock Exchange the Nifty closed 47.45 points up to stand at 6,299.15. Bank of India and Oriental Bank were among the top gainers of Group A with an increase of 21.26 % and 18.01% along with Allahabad Bank and Indian Bank with an increase of 13.34% and 13.33% respectively, while the top losers of Group A include Suzlon Energy and Prestige Estates with a decrease of 4.90% and 3.82% along with Wockhardt and Sobha Dev with a decrease of 3.72% and 3.51% at the close of the markets. The Auto sector is down 3.60 points at 12,074.90 while the banking sector is up 248.13 points at 13,086.92 and the realty sector is up 9.54 points at 1,343.47. The Indian currency is down 0.29% at Rs 61.41 per dollar.