New Delhi, Jan 30 (ANI): Trading at the Bombay Stock Exchange today closed 140.41 points down to stand at 20506.89. At the National Stock Exchange the Nifty closed 46.55 points down to stand at6073.70. Crompton Greaves and Oberoi Realty were among the top gainers of Group A with an increase of 9.48% and 6.66% along with Titan Company and IRB Infra with an increase of 3.94% and 3.73% respectively, while the top losers of Group A include Bank of India and United Spirits with a decrease of 10.06% and 7.19% along with HDIL and Godrej Industries Ltd with a decrease of 6.56% and 6.32% at the close of the markets. The Auto sector is up 47.02 points at 11,634.98 while the banking sector is down 309.01 points at 11,628.03 and the realty sector is down 26.70 points at 1,197.33. The Indian currency is down 0.57% at Rs 62.77 per dollar.