New Delhi, July 28 (ANI): Trading at the Bombay Stock Exchange today closed 135.52 points down to stand at 25,991.23. At the National Stock Exchange the Nifty closed 41.75 points down to stand at 7,748.70. Central Bank and Reliance Power were among the top gainers of Group A with an increase of 7.02% and 3.80% along with Hindustan Unilever and Glenmark Pharma with an increase of 3.62% and 3.38% respectively, while the top losers of Group A include Wockhardt and DLF with a decrease of 8.06% and 5.20% along with IRB Infra and CESC with a decrease of 5.11% and 4.60% at the close of the markets. The Auto sector is down 121.36 points at 15,488.20 while the banking sector is down 121.60 points 17,421.39 and the realty sector is down 51.84 points at 1,873.16. The Indian currency is up 0.03% at Rs 60.12 per dollar.