New Delhi, Dec 16 (ANI): Trading at the Bombay Stock Exchange today closed 538.12 points down to stand at 26,781.44. At the National Stock Exchange the Nifty closed 152.00 points down to stand at 8,067.60. JET AIRWAYS and HCL TECH were among the top gainers of Group A with an increase of 7.20% and 4.58% along with TCS and CMC with an increase of 3.40% and 2.48% respectively, while the top losers of Group A include PMCFIN and UNITECH with a decrease 19.05% and 10.75% along with JAIN IRRIGATION SYSTEMS LTD and PIPAVAVDOC with a decrease of 9.96% and 9.08% at the close of the markets. The Auto sector is down 299.08 points at 18,304.90 while the banking sector is down 612.41 points at 20,435.88 and the reality sector is down 59.19 points at 1,498.24. The Indian currency is down 0.87% at Rs 63.49 per dollar.