New Delhi, March 04 (ANI): Trading at the Bombay Stock Exchange today closed 270.91 points up to stand at 21,217.56. At the National Stock Exchange the Nifty closed 76.50 points up to stand at 6,297.95. Hindalco Industries Ltd. and Tata Chemicals were among the top gainers of Group A with an increase of 8.25% and 8.10% along with Yes Bank and BOB with an increase of 6.15% and 5.85% respectively, while the top losers of Group A include Motherson Sumi Systems Ltd. and Glaxosmithkline Pharmaceuticals Ltd. with a decrease of 3.81% and 2.72% along with Sobha Developers Ltd. and JPPOWER with a decrease of 2.28% and 1.79% at the close of the markets. The Auto sector is up 156.41 points at 12,505.98 while the banking sector is up 56.41 points at 12,478.42 and the realty sector is up 15.03 points at 1,218.25. The Indian currency is up 0.15% at Rs 62.02 per dollar.