New Delhi, Jan 6 (ANI): Trading at the Bombay Stock Exchange today closed 174.01 points down to stand at 25,406.33. At the National Stock Exchange the Nifty closed43.65 points down to stand at 7,741.00. Torrent Power Ltd and Monsanto India Ltd were among the top gainers of group A with an increase of 11.07% and 5.86% along with SRF Ltd and Balrampur Chini Mills Ltd with an increase 5.28% and 5.25% respectively, while the top losers of group A includes Punj Lloyd Ltd and Gujarat State Petronet Ltd with a decrease of 4.89% and 4.68% along with Vedanta Limited and PTC India Ltd with a decrease of 3.95% and 3.49% at the close of the markets. The Auto sector is up 226.96 points at 18011.08 while the Banking sector is up 152.71 points at 18730.09 and the Realty sector is up 11.60 points at 1350.29. The Indian currency was up with 0.34% at Rs 66.81 per dollar.