New Delhi, Sept 25 (ANI): Trading at the Bombay Stock Exchange today closed 276.33 points down to stand at 26,468.36. At the National Stock Exchange the Nifty closed 90.55 points down to stand at 7,911.85. AUROPHARMA and INFRATEL were among the top gainers of Group A with an increase of 8.90% and 4.94% along with TCS and BAJAJ HOLDINGS & INVESTMENT LTD with an increase of 3.08% and 2.88% respectively, while the top losers of Group A include JAIPRAKASH ASSOCIATES LTD and JPPOWER with a decrease of 18.52% and 13.92% along with JPINFRATEC & ALLAHABAD BANK with a decrease of 13.02% and 12.30% at the close of the markets. The Auto sector is down 173.15 points at 17,684.63 while the banking sector is down 401.40 points at 17,607.83 and the reality sector is down 52.85 points at 1,592.36. The Indian currency is down 0.32% at Rs 61.15 per dollar.