New Delhi, Jan 16 (ANI): Trading at the Bombay Stock Exchange today closed 24.31 points down to stand at 21,265.18. At the National Stock Exchange the Nifty closed 2.00 points down to stand at 6,318.90. Gitanjali Gems and Wockhardt were among the top gainers of Group A with an increase of 9.95 % and 4.33% along with Bharat Forge and HCL Tech with an increase of 4.26% and 4.23% respectively, while the top losers of Group A include Idea Cellular and Bharti Airtel with a decrease of 7.25% and 4.84% along with Max India and Reliance Communications Ltd. with a decrease of 4.37% and 4.18% at the close of the markets. The Auto sector is down 101.67 points at 12,023.87 while the banking sector is down 26.09 points at 12,680.52 and the realty sector is up 3.08 points at 1,359.05. The Indian currency is up 0.02% at Rs 61.53 per dollar.