New Delhi, Dec 17 (ANI): Trading at the Bombay Stock Exchange today closed 50.40 points down to stand at 20,609.12. At the National Stock Exchange the Nifty closed 15.65 points down to stand at 6,139.05. Financial technologies (India) ltd. and Wockhardt were among the top gainers of Group A with an increase of 10.90% and 10.42% along with Indian Hotels and Cummins India with an increase of 4.98% and 4.78% respectively, while the top losers of Group A include Sobha Developers Ltd. and HDFC Bank with a decrease of 3.75% and 3.61% along with Syndicate Bank and IOB with a decrease of 3.16% and 3.10% at the close of the markets. The Auto sector is up 10.11 points at 11,960.40 while the banking sector is down 207.64 points at 12,755.30 and the realty sector is down 8.82 points at 1,331.49. The Indian currency is down 0.29% at Rs 61.91 per dollar.