New Delhi, Apr. 25 (ANI): Trading at the Bombay Stock Exchange today closed 159.21 points down to stand at 25,678.93. At the National Stock Exchange the Nifty closed 44.25 points down to stand at 7,855.05. Mahindra and Mahindra Financial Services Ltd andAmtek Auto Ltd were among the top gainers of group A with an increase of 7.97% and 6.61% along with JK Lakshmi Cement Ltd and Ceat Ltd with an increase of 4.42% and 4.10% respectively, while the top losers of group A includes Jammu and Kashmir Bank Ltd and Motherson Sumi Systems Ltd with a decrease of 4.60% and 4.43% along with Credit Analysis and Research Ltd and Cairn India Ltdwith a decrease of 4.24% and 4.13% at the close of the markets. The Auto sector is down 163.22 points at 18537.15 while the Banking sector is down 26.82 points at 19008.58 and the Realty sector is down 9.18 points at 1298.45. The Indian currency was up at 0.29% with Rs. 66.68 per dollar.