New Delhi, Jan 23 (ANI): Trading at the Bombay Stock Exchange today closed 272.82 points up to stand at 29,278.84. At the National Stock Exchange the Nifty closed 74.20 points up to stand at 8,835.60. SPARC and MAX were among the top gainers of Group A with an increase of 20.00% and 9.03% along with RTN POWER and ADANI ENTERPRISES LTD. with an increase of 8.79% and 7.92% respectively, while the top losers of Group A include IPCA LAB and POLARIS with a decrease of 8.62% and 6.73% along with SUZLON and PMCFIN with a decrease of 6.35% and 4.91% at the close of the markets. The Auto sector is up 278.97 points at 20,086.19 while the banking sector is up 179.20 points at 22,984.00 and the reality sector is up 23.14 points at 1,671.80. The Indian currency is down 0.22% at Rs 61.56 per dollar.