New Delhi, Aug 12 (ANI): Trading at the Bombay Stock Exchange today closed 353.83 points down to stand at 27,512.26. At the National Stock Exchange the Nifty closed 108.55 points down to stand at 8,353.80. Rajesh Exports Ltd and Cadila Healthcare Ltd were among the top gainers of group A with an increase of 6.01% and 4.44% along with Infosys Ltd and HCL Technologies Ltd with an increase of 3.39% and 3.19% respectively, while the top losers of group A include Housing Development and Infrastructure Ltd and Vedanta Limited with a decrease of 8.96% and 8.03% along with Hindustan Petroleum Corporation Ltd and Indian Oil Corporation Ltd with a decrease of 7.56% and 7.26% at the close of the markets. The Auto sector is down 458.46 points at 18,960.37 while the Banking sector is down 644.35 points at 20,711.77 and the Realty sector is down 77.20 points at 1,347.43. The Indian currency is up 1.03% at Rs 64.85 per dollar.