New Delhi, October 30 (ANI): Trading at the Bombay Stock Exchange today closed 92.89 points up to stand at 21021.90. At the National Stock Exchange the Nifty closed 30.80 points up to stand at 6,251.70. Financial Technologies and Tata Communications were among the top gainers of Group A with an increase of 10.60% and 10.26% along with and Shriram Transport Finance Company Ltd. And Torrent Power with an increase of 7.83% and 7.74% respectively, while the top losers of Group A include Suzlon Energy and IDBI Bank with a decrease of 4.94% and 4.10% along with Bank of India and Oriental Bank with a decrease of 4.10% and 3.94% at the close of the markets. The Auto sector is down 9.32 points at 12,067.71 while the banking sector is down 6.11 points at 12,824.95 and the realty sector is up 6.21 points at 1,333.86. The Indian currency is down 0.15% at Rs 61.40 per dollar.