New Delhi, Jan 20 (ANI): Trading at the Bombay Stock Exchange today closed 129.88 points up to stand at 21,192.88. At the National Stock Exchange the Nifty closed 42.30 points up to stand at 6,303.95. MCX and Aurobindo Pharma were among the top gainers of Group A with an increase of 10.86 % and 6.31% along with Reliance Communication Ltd and Tata Consultancy with an increase of 6.11% and 5.53% respectively, while the top losers of Group A include Mahindra and Mahindra Financial Services and McLeod Russel with a decrease of 2.42% and 2.22% along with TTK Prestige and RIL with a decrease of 1.77% and 1.70% at the close of the markets. The Auto sector is up 86.40 points at 12,114.46 while the banking sector is up 93.66 points at 12,574.74 and the realty sector is up 9.29 points at 1,335.79. The Indian currency is down 0.07% at Rs 61.59 per dollar.