New Delhi, Jan 30 (ANI): Trading at the Bombay Stock Exchange today closed 498.82 points down to stand at 29,182.95. At the National Stock Exchange the Nifty closed 143.45 points down to stand at 8,808.90. HCC and HDIL were among the top gainers of Group A with an increase of 19.86% and 16.24% along with GMR INFRA and ADANI ENTERPRISES LTD. with an increase of 13.91% and 10.10% respectively, while the top losers of Group A include BANK OF BARODA and SPARC with a decrease of 11.08% and 6.40% along with INDIAN BANK and CANARA BANK with a decrease of 6.27% and 5.94% at the close of the markets. The Auto sector is down 245.19 points at 19,985.90, while the banking sector is down 737.58 points at 22,715.52 and the reality sector is up 38.55 points at 1,811.36. The Indian currency is down 0.18% at Rs 61.97 per dollar.