New Delhi, Feb 21 (ANI): Trading at the Bombay Stock Exchange today closed 153.59 points up to stand at 20,690.23. At the National Stock Exchange the Nifty closed 64.00 points up to stand at 6,155.45. Mcleod Russel and Ambuja Cements were among the top gainers of Group A with an increase of 6.19% and 6.16% along with ACC and Gujarat State Petrochemicals with an increase of 6.00% and 5.94% respectively, while the top losers of Group A include MCX and Reliance Communication with a decrease of 5.13% and 5.07% along with Financial Technologies and Bharti Airtel with a decrease of 4.99% and 2.71% at the close of the markets. The Auto sector is up 64.38 points at 12,171.12 while the banking sector is up 115.89 points at 12,027.51 and the realty sector is down 0.44 points at 1,209.78. The Indian currency is up 0.18% at Rs 62.12 per dollar.