New Delhi, April 28 (ANI): Trading at the Bombay Stock Exchange today closed 56.46 points down to stand at 22,631.61. At the National Stock Exchange the Nifty closed 21.50 points down to stand at 6,761.25. UPL and JP infratec were among the top gainers of Group A with an increase of 20.18% and 13.83% along with Jain Irrigation and Wockhardt with an increase of 13.52% and 11.73% respectively, while the top losers of Group A include Shriram City University and Ambuja Cements with a decrease of 5.24% and 4.23% along with Shriram Transport and LIC Housing Finance with a decrease of 3.46% and 3.11% at the close of the markets. The Auto sector is down 132.47 points at 13,483.49 while the banking sector is up 53.94 points at 14,964.24 and the realty sector is up 8.46 points at 1,480.63. The Indian currency is up 0.02% at Rs 60.59 per dollar.