New Delhi, Dec 18 (ANI): Trading at the Bombay Stock Exchange today closed points 271.45 up to stand at 20,883.59. At the National Stock Exchange the Nifty closed 89.95 points up to stand at 6,229.00. Biocon and MCX were among the top gainers of Group A with an increase of 11.73% and 11.26% along with HDIL and Oriental Bank with an increase of 7.65% and 6.83% respectively, while the top losers of Group A include TTK Prestige and Indian Hotels with a decrease of 5.02% and 3.30% along with Strides Arco and Financial Technologies (India) Ltd with a decrease of 2.02% and 1.37% at the close of the markets. The Auto sector is up 228.09 points at 12,171.97 while the banking sector is up 213.12 points at 13,010.30 and the realty sector is up 49.16 points at 1,381.94. The Indian currency is up 0.08% at Rs 61.96 per dollar.