New Delhi, Dec 31 (ANI): Trading at the Bombay Stock Exchange today closed 27.67 points up to stand at 21,170.68. At the National Stock Exchange the Nifty closed 12.90 points up to stand at 6,304.00. Future Retail and Gitanjali Gems were among the top gainers of Group A with an increase of 7.10% and 6.03% along with Apollo Tyres and CRISIL with an increase of 5.77% and 5.52% respectively, while the top losers of Group A include Prestige Estates and Muthoot Finance Ltd. with a decrease of 3.15% and 2.70% along with RAMCOCEM and Dena Bank with a decrease of 2.06% and 2.02% at the close of the markets. The Auto sector is up 6.51 points at 12,258.83 while the banking sector is up 15.81 points 13,001.94 and the realty sector is up 2.46 points at 1,433.41. The Indian currency is up 0.18% at Rs 61.80 per dollar.