New Delhi, Sep 30 (ANI): Trading at the Bombay Stock Exchange today closed 400.36 points down to stand at 19,326.91. At the National Stock Exchange the Nifty closed 97.90 points down to stand at 5,735.30. Britannia Industries and Gujarat State Petronet Ltd. were among the top gainers of Group A with an increase of 6.23% and 5.58% along with ING Vysya Bank and Shree Cement with an increase of 5.11% and 3.62% respectively, while the top losers of Group A include Essar Oil and Financial Technologies with a decrease of 7.61% and 6.43% along with Tata Steel and Yes Bank with a decrease of 5.65% and 5.63% at the close of the markets. The Auto sector is down 175.98 points at 10,985.72 while the banking sector is down 320.07 points at 10,964.19 and the realty sector is down 24.99 points at 1,170.33. The Indian currency is down 0.13% at Rs 62.59 per dollar.